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282.0000 Family Malvaceae Juss.; Gen. Pl. [Jussieu] 271 (1789), nom. cons.
249 genera, ca. 5400 spp.
Species listed in database: 5542; hybrids: 40
= Berryaceae Doweld; Tent. Syst. Pl. Vasc.: xxxvii (2001), Family
= Bombacaceae Kunth; Malvac., Büttner., Tiliac. 5 (1822), nom. cons.
= Brownlowiaceae Cheek; Kew Bull. 61: 443 (2006)
= Byttneriaceae R.Br.; Voy. Terra Austral. 2: 540 (1814), nom. cons.
= Chiranthodendraceae A.Gray; Proc. Amer. Acad. Arts 22: 303 (1887)
= Dombeyaceae Desf.; Tabl. Ecole Bot., ed. 3: 252 (1829), nom. cons.
= Durionaceae Cheek; Kew Bull. 61: 443 (2006)
= Grewiaceae Doweld & Reveal; Bot. Rev. (Lancaster) 71: 100 (2005)
= Helicteraceae J.Agardh; Theoria Syst. Pl. 264 (1858), Family
= Hermanniaceae Marquis; Esq. Règne Vég. 52 (1820)
= Hibiscaceae J.Agardh; Theoria Syst. Pl. 275 (1858)
= Lasiopetalaceae Rchb.; Mag. Aesth. Bot. 1(2): ad t. 37 (1823)
= Mansoniaceae A.Chev.; Just´s Bot. Jahresber. 38(1): 852 (1913)
= Melochiaceae J.Agardh; Theoria Syst. Pl. 271 (1858)
= Pentapetaceae Bercht. & J.Presl; Přír. Rostlin 222 (1820)
= Philippodendraceae A.Juss.; Dict. Univ. Hist. Nat. 9: 735 (1847)
= Plagianthaceae J.Agardh; Theoria Syst. Pl. 272 (1858)
= Sidaceae Bercht. & J.Presl; Přír. Rostlin 222 (1820)
= Sparrmanniaceae J.Agardh; Theoria Syst. Pl. 260 (1858)
= Sterculiaceae Vent.; Parad. Lond. 2: ad t. 69 (1807), nom. cons.
= Theobromataceae J.Agardh; Theoria Syst. Pl. 264 (1858)
= Tiliaceae Juss.; Gen. Pl. [Jussieu] 289 (1789), nom. cons.
282.9763 Genus Malacothamnus Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Distribution: SW-USA, Baja California. Revision: Morse (2023)
Species listed in database: 21

Search for: Malacothamnus arcuatus-var.-elmeri

Nothing found!
species :
Malacothamnus abbottii (Eastw.) Kearney; Leafl. W. Bot. 6: 129 (1951)
Name: Abbott´s bushmallow (EN)
Distribution: USA (California: S-Monterey Co.)
76 USA
Conservation Status: Known only from few extant localities
Synonyms: hidden
= Malvastrum abbottii Eastw.; Leafl. W. Bot. 1: 215 (1936)
species :
Malacothamnus aboriginum (B.L.Rob.) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Indian Valley bushmallow (EN)
Distribution: USA (California: southern coastal ranges, mainly Diablo Range and Gabilan Range)
76 USA
Synonyms: hidden
= Malvastrum aboriginum B.L.Rob.; Syn. Fl. N. Amer. 1, pt. 1: 311 (1897)
= Sphaeralcea aboriginum (B.L.Rob.) Jeps.; Fl. Calif. [Jepson] 2: 498 (1936)
species :
Malacothamnus arcuatus (Greene) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Western bewildering bushmallow (EN)
Distribution: USA (California: Santa Cruz Mts.)
76 USA
Synonyms: hidden
= Malvastrum arcuatum (Greene) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 311 (1897)
= Malveopsis arcuata Greene; Man. Bot. San Francisco 66 (1894)
= Sphaeralcea arcuata (Greene) Arthur; Torreya 21: 11 (1921)
variant :
var. elmeri (Jeps.) K.Morse; Malacothamnus 2: 27 (2023)
Name: Eastern bewildering bushmallow (EN)
Distribution: USA (California: southern coastal ranges, primarily N-Diablo Range to Santa Cruz Mts.)
76 USA
Synonyms: hidden
= Sphaeralcea fasciculata var. elmeri Jeps.; Fl. Calif. [Jepson] 2: 501 (1936)
= Malacothamnus hallii (Eastw.) Kearney; Leafl. W. Bot. 6: 134 (1951)
= Malvastrum hallii Eastw.; Leafl. W. Bot. 1: 216 (1936)
species :
Malacothamnus astrotentaculatus K.Morse; Malacothamnus 2: 65 (2023)
Name: Starry-tentacled bushmallow (EN)
Distribution: USA (California: Shasta Co., Tehama Co.)
76 USA
species :
Malacothamnus clementinus (Munz & I.M.Johnst.) Kearney; Leafl. W. Bot. 6: 127 (1951)
Name: San Clemente Island bushmallow
Distribution: USA (California Channel Isl.: San Clemente Isl.)
76 USA
Synonyms: hidden
= Malacothamnus orbiculatus subsp. clementinus (Munz & I.M.Johnst.) A.E.Murray; Kalmia 13: 9 (1983)
= Malvastrum clementinum Munz & I.M.Johnst.; Bull. Torrey Bot. Club 51: 296 (1924)
= Sphaeralcea orbiculata subsp. clementina (Munz & I.M.Johnst.) A.E.Murray; Kalmia 12: 24 (1982)
= Sphaeralcea orbiculata var. clementina (Munz & I.M.Johnst.) Jeps.; Fl. Calif. [Jepson] 2(1): 499 (1936)
species :
Malacothamnus davidsonii (B.L.Rob.) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Tujunga bushmallow
Distribution: USA (California: Los Angeles Co.)
76 USA
Synonyms: hidden
= Malvastrum davidsonii B.L.Rob.; Syn. Fl. N. Amer. 1(1): 312 (1897)
= Sphaeralcea davidsonii (B.L.Rob.) Jeps.; Man. Fl. Pl. Calif. [Jepson] 634 (1925)
species :
Malacothamnus densiflorus (S.Watson) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Few-rayed bushmallow
Distribution: USA (S-California: peninsular ranges); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Malvastrum densiflorum S.Watson; Proc. Amer. Acad. Arts 17: 368 (1881 publ. 1882)
= Sphaeralcea densiflora (S.Watson) Jeps.; Man. Fl. Pl. Calif. [Jepson] 633 (1925)
variant :
var. viscidus (Abrams) Kearney; Leafl. W. Bot. 6: 129 (1951)
Name: Emerald unicorn bushmallow
Distribution: USA (California: San Diego Co.); Mexico (Baja California Norte: Otay Mt.)
76 USA 79 MEX
Synonyms: hidden
= Malvastrum densiflorum var. viscidum (Abrams) Estes; Bull. S. Calif. Acad. Sci. 24: 85 (1925)
= Malvastrum marrubioides var. viscidum (Abrams) McMinn; Man. Calif. Shrubs 345 (1939)
= Malvastrum viscidum Abrams; Bull. Torrey Bot. Club 34: 264 (1907)
= Sphaeralcea densiflora var. viscida (Abrams) Jeps.; Fl. Calif. [Jepson] 2: 498 (1936)
species :
Malacothamnus discombobulatus K.Morse; Malacothamnus 2: 70 (2023)
Name: Discombobulating bushmallow
Distribution: USA (California: Monterey Co., San Luis Obispo Co.)
76 USA
species :
Malacothamnus eastwoodiae K.Morse; Malacothamnus 2: 62 (2023)
Name: Alice´s lovely bushmallow
Distribution: USA (California: Santa Barbara Co.: Vandenberg Space Force Base)
76 USA
species :
Malacothamnus enigmaticus K.Morse & T.Chester; Madroño 66(3): 113 (2019)
Name: Enigmatic bushmallow
Distribution: USA (California: San Diego Co.); Mexico (Baja California Norte)
76 USA 79 MEX
species :
Malacothamnus fasciculatus (Nutt. ex Torr. & A.Gray) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Southern coastal bushmallow
Distribution: USA (SW-California: San Diego Co., ?SW-Arizona); Mexico (Baja California Norte, ?Sonora)
76 USA 79 MEX
Synonyms: hidden
= Malva fasciculata Nutt. ex Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 1: 225 (1838)
= Malvastrum fasciculatum (Nutt. ex Torr. & A.Gray) Greene; Fl. Francisc. 1: 108 (1891)
= Malvastrum thurberi A.Gray; Mem. Amer. Acad. Arts, n. s. 5: 307 (1855)
= Malveopsis fasciculata (Nutt.) Kuntze; Revis. Gen. Pl. 1: 72 (1891)
= Sphaeralcea fasciculata (Nutt. ex Torr. & A.Gray) Arthur; Torreya 21: 11 (1921)
= Sphaeralcea thurberi (A.Gray) Tidestr.; Fl. Ariz. New Mex. 115 (1941)
variant :
var. catalinensis (Eastw.) Kearney; Leafl. W. Bot. 6: 138 (1951)
Name: Santa Catalina Island bushmallow
Distribution: USA (California Channel Isl.: Santa Catalina Isl.)
76 USA
Synonyms: hidden
= Malacothamnus fasciculatus subsp. catalinensis (Eastw.) Thorne; Aliso 6: 55 (1967)
= Malvastrum catalinense Eastw.; Leafl. W. Bot. 1: 215 (1936)
= Malvastrum fasciculatum var. catalinense (Eastw.) McMinn; Man. Calif. Shrubs 348 (1939)
variant :
var. laxiflorus (A.Gray) Kearney; Leafl. W. Bot. 6: 137 (1951)
Name: Splendid bushmallow
Distribution: USA (California Channel Isl.: Santa Catalina Isl.)
76 USA
Synonyms: hidden
= Malacothamnus fasciculatus subsp. laxiflorus (A.Gray) Thorne; Aliso 9: 193 (1978)
= Malacothamnus fasciculatus subsp. splendidus (Kellogg) Abrams; Bull. New York Bot. Gard. 6: 417 (1910)
= Malacothamnus fasciculatus var. splendidus (Kellogg) Abrams; Bull. New York Bot. Gard. 6: 417 (1910)
= Malacothamnus parishii (Eastw.) Kearney; Leafl. W. Bot. 6: 136 (1951)
= Malvastrum fasciculatum var. laxiflorum (A.Gray) Munz & I.M.Johnst.; Bull. Torrey Bot. Club 51: 296 (1924)
= Malvastrum laxiflorum (A.Gray) Eastw.; Leafl. W. Bot. 1: 217 (1936)
= Malvastrum parishii Eastw.; Leafl. W. Bot. 1: 216 (1936)
= Malvastrum splendidum Kellogg; Proc. Calif. Acad. Sci. 1: 65 (1855)
= Malvastrum thurberi var. laxiflorum A.Gray; Proc. Amer. Acad. Arts 22: 291 (1887)
= Malveopsis splendida (Kellogg) Kuntze; Revis. Gen. Pl. 1: 72 (1891)
= Sphaeralcea fasciculata var. laxiflora (A.Gray) Jeps.; Man. Fl. Pl. Calif. [Jepson] 634 (1925)
variant :
var. nesioticus (B.L.Rob.) Kearney; Leafl. W. Bot. 6: 139 (1951)
Name: Santa Cruz Island bushmallow
Distribution: USA (California Channel Isl.: Santa Cruz Isl.)
76 USA
Synonyms: hidden
= Sphaeralcea nesiotica (B.L.Rob.) Jeps.; Man. Fl. Pl. Calif. [Jepson] 634 (1925)
= Sphaeralcea fasciculata var. nesiotica (B.L.Rob.) Jeps.; Fl. Calif. [Jepson] 2: 501 (1936)
= Malvastrum nesioticum B.L.Rob.; Syn. Fl. N. Amer. 1(1): 312 (1897)
= Malvastrum fasciculatum var. nesioticum (B.L.Rob.) McMinn; Man. Calif. Shrubs 348 (1939)
= Malacothamnus nesioticus (B.L.Rob.) Abrams; Bull. New York Bot. Gard. 6: 419 (1910)
species :
Malacothamnus foliosus (S.Watson) Kearney; Leafl. W. Bot. 6: 122 (1951)
Name: Ensenada bushmallow
Distribution: Mexico (Baja California Norte: near Ensenada east to Ojos Negros)
79 MEX
Synonyms: hidden
= Malacothamnus paniculatus (A.Gray) Kearney; Leafl. W. Bot. 6: 123 (1951)
= Malvastrum foliosum S.Watson; Proc. Amer. Acad. Arts 20: 356 (1885)
= Malvastrum marrubioides var. paniculatum A.Gray; Proc. Amer. Acad. Arts 22: 290 (1887)
= Malvastrum paniculatum (A.Gray) Wiggins; Madroño 10: 184 (1950)
species :
Malacothamnus fremontii (A.Gray) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Long-haired unfurled bushmallow
Distribution: USA (California: Sutter Buttes, Diablo Range, Tehama Co., north of Springville)
76 USA
Synonyms: hidden
= Malacothamnus fremontii subsp. cercophorus (B.L.Rob.) Munz; Aliso 4: 94 (1958)
= Malacothamnus howellii (Eastw.) Kearney; Leafl. W. Bot. 6: 126 (1951)
= Malvastrum fremontii A.Gray; Mem. Amer. Acad. Arts, n. s. 4: 21 (1849)
= Malvastrum fremontii var. cercophorum B.L.Rob.; Syn. Fl. N. Amer. 1(1): 311 (1897)
= Malvastrum howellii Eastw.; Leafl. W. Bot. 1: 220 (1936)
= Malvastrum howellii var. cordatum Eastw.; Leafl. W. Bot. 1: 220 (1936)
= Malveopsis fremontii (A.Gray) Greene; Erythea 1: 171 (1893)
= Sphaeralcea fremontii (A.Gray) Jeps.; Man. Fl. Pl. Calif. [Jepson] 633 (1925)
variant :
var. exfibulosus (Jeps.) K.Morse; Malacothamnus 2: 33 (2023)
Name: Short-haired unfurled bushmallow
Distribution: USA (California: Central Valley from Napa Co. north to Glenn Co.)
76 USA
Synonyms: hidden
= Malacothamnus helleri (Eastw.) Kearney; Leafl. W. Bot. 6: 124 (1951)
= Malvastrum fremontii subsp. exfibulosum (Jeps.) Wiggins; Ill. Fl. Pacific States 2: 95 (1951)
= Malvastrum fremontii var. helleri (Eastw.) McMinn; Man. Calif. Shrubs 341, 343 (1939)
= Malvastrum helleri Eastw.; Leafl. W. Bot. 1: 217 (1936)
= Sphaeralcea fremontii var. exfibulosa Jeps.; Fl. Calif. [Jepson] 2: 500 (1936)
species :
Malacothamnus involucratus (B.L.Rob.) K.Morse; Crossosoma 44(1-2): 22 (2021)
Name: Carmel valley bushmallow
Distribution: USA (California: Monterey Co.)
76 USA
Synonyms: hidden
= Malacothamnus palmeri var. involucratus (B.L.Rob.) Kearney; Leafl. W. Bot. 6: 121 (1951)
= Malvastrum involucratum B.L.Rob.; Syn. Fl. N. Amer. 1(1): 310 (1897)
= Malvastrum palmeri var. involucratum (B.L.Rob.) McMinn; Man. Calif. Shrubs 339 (1939)
species :
Malacothamnus jonesii (Munz) Kearney; Leafl. W. Bot. 6: 135 (1951)
Name: Jones´s bushmallow
Distribution: USA (California: San Luis Obispo Co., S-Monterey Co.)
76 USA
Synonyms: hidden
= Malvastrum jonesii Munz; Bull. S. Calif. Acad. Sci. 24: 88 (1925)
= Malvastrum dudleyi Eastw.; Leafl. W. Bot. 1: 218 (1936)
= Sphaeralcea fasciculata var. jonesii (Munz) Jeps.; Fl. Calif. [Jepson] 2: 501 (1936)
variant :
var. gracilis (Eastw.) K.Morse; Malacothamnus 2: 34 (2023)
Name: Huasna bushmallow
Distribution: USA (California: San Luis Obispo Co.)
76 USA
Synonyms: hidden
= Malacothamnus gracilis (Eastw.) Kearney; Leafl. W. Bot. 6: 130 (1951)
= Malvastrum gracile Eastw.; Leafl. W. Bot. 1: 219 (1936)
variant :
var. niveus (Eastw.) K.Morse; Malacothamnus 2: 34 (2023)
Name: Fragrant-snow bushmallow
Distribution: USA (California: San Luis Obispo Co., S-Monterey Co., N-Santa Barbara Co.)
76 USA
Synonyms: hidden
= Malacothamnus niveus (Eastw.) Kearney; Leafl. W. Bot. 6: 123 (1951)
= Malvastrum fremontii var. niveum (Eastw.) McMinn; Man. Calif. Shrubs 343 (1939)
= Malvastrum niveum Eastw.; Leafl. W. Bot. 1: 232 (1936)
= Malvastrum fragrans Eastw.; Leafl. W. Bot. 1: 218 (1936), nom. illeg. superfl., non A. Gray & Harv.
species :
Malacothamnus lucianus (Kearney) K.Morse; Crossosoma 44(1-2): 22 (2021)
Name: Santa Lucia bushmallow
Distribution: USA (California: Monterey Co.: Santa Lucia Mts.)
76 USA
Synonyms: hidden
= Malacothamnus palmeri var. lucianus Kearney; Leafl. W. Bot. 7: 289 (1955)
species :
Malacothamnus marrubioides (Durand & Hilg.) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Santa Clarita bushmallow
Distribution: USA (California: Los Angeles Co., Ventura Co.)
71 CDN 76 USA
Synonyms: hidden
= Malvastrum gabrielense Munz & I.M.Johnst.; Bull. Torrey Bot. Club 52: 223 (1925)
= Malvastrum marrubioides Durand & Hilg.; Pacif. Railr. Rep. 5(1, no. 3), Bot. [Williamson & Abbot] 6 (1855)
= Malveopsis marrubioides (Durand & Hilg.) Kuntze; Revis. Gen. Pl. 1: 72 (1891)
= Sphaeralcea densiflora var. gabrielensis (Munz & I.M.Johnst.) Jeps.; Fl. Calif. [Jepson] 2: 498 (1936)
species :
Malacothamnus mendocinensis (Eastw.) Kearney; Leafl. W. Bot. 6: 133 (1951)
Name: Mendocino bushmallow
Distribution: USA (California: Mendocino Co.)
76 USA
Conservation Status: highly threatened, known from only one small extant population
Synonyms: hidden
= Malvastrum mendocinense Eastw.; Leafl. W. Bot. 2: 188 (1939)
species :
Malacothamnus nuttallii Abrams; Bull. New York Bot. Gard. 6: 417 (1910)
Name: Ojai bushmallow
Distribution: USA (California: Santa Barbara Co., W-Ventura Co., S-San Luis Obispo Co.)
76 USA
Synonyms: hidden
= Malacothamnus fasciculatus var. nuttallii (Abrams) Kearney; Leafl. W. Bot. 6: 138 (1951)
= Malvastrum fasciculatum var. nuttallii (Abrams) McMinn; Man. Calif. Shrubs 348 (1939)
= Malvastrum nesioticum subsp. nuttallii (Abrams) Wiggins; Ill. Fl. Pacific States 3: 94 (1951)
= Malvastrum nuttallii (Abrams) Davidson & Moxley; Fl. S. Calif. [Davidson & Moxley] 233 (1923)
= Malvastrum nuttallii (Abrams) Eastw.; Leafl. W. Bot. 1: 217 (1936), isonym
= Sphaeralcea fasciculata var. nuttallii (Abrams) Jeps.; Fl. Calif. [Jepson] 2: 501 (1936)
species :
Malacothamnus orbiculatus (Greene) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Tehachapi bushmallow
Distribution: USA (California: Tehachapi Mts., S- and E-Sierra Nevada, W-Arizona)
76 USA
Synonyms: hidden
= Malvastrum fremontii var. orbiculatum (Greene) I.M.Johnst.; Pl. World 22: 109 (1919)
= Malvastrum orbiculatum Greene; Fl. Francisc. 1: 109 (1891)
= Sphaeralcea orbiculata (Greene) Jeps.; Fl. Calif. [Jepson] 2: 499 (1936)
species :
Malacothamnus palmeri (S.Watson) Greene; Leafl. Bot. Observ. Crit. 1: 208 (1906)
Name: Palmer´s bushmallow
Distribution: USA (California: San Luis Obispo Co.)
76 USA
Synonyms: hidden
= Malvastrum palmeri S.Watson; Proc. Amer. Acad. Arts 12: 250 (1877)
= Sphaeralcea palmeri (S.Watson) Jeps.; Man. Fl. Pl. Calif. [Jepson] 633 (1925) non Rose
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A complete, synonymic checklist of the Higher Plants of the World

Version 26.03 (March 30th, 2026)

Covering 359,184 accepted species,
8,882 hybrids, 47,737 accepted infraspecific taxa and 1,007,635 synonyms,
in total 1,423,438* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life