512.0000
Family
Acanthaceae Juss.; Gen. Pl. [Jussieu] 102 (1789) (´Acanthi´), nom. cons.
ca. 192 genera, ca. 5500 spp. Phylogeny: Manzitto-Tripp et al. 2022
Species listed in database: 5597
= Avicenniaceae Miq.; Pl. Preiss. [J.G.C.Lehmann] 1: 353 (1845), nom. cons.
= Justiciaceae Raf.; Fl. Tellur. 4: 60 (1838)
= Mendonciaceae Bremek.; Proc. Kon. Ned. Akad. Wetensch. C 56: 540 (1954)
= Meyeniaceae Sreem.; Phytologia 37: 412 (1977)
= Nelsoniaceae (Nees) Sreem.; Phytologia 37: 412 (1977)
= Thunbergiaceae Lilja; Skånes Fl., ed. 2: 979 (1870)
512.4774
Genus
Petalidium Nees; Pl. Asiat. Rar. [Wallich] 3: 75 (1832)
Distribution: mostly Angola and Namibia, some elsewhere in trop. and South Africa
Species listed in database: 50
= Pseudobarleria T.Anderson; J. Proc. Linn. Soc., Bot. 7: 26 (1864)
species :
Petalidium angustitubum
P.G.Mey.; Mitt. Bot. Staatssamml. München 6: 505 (1967)
Distribution: NW-Namibia
27 NAM
species :
Petalidium aromaticum
Oberm.; Ann. Transvaal Mus. 18: 159 (1936)
Distribution: Zimbabwe; Mozambique; South Africa (Limpopo)
26 MOZ ZIM 27 SAF
Synonyms: hidden
= Petalidium aromaticum var. canescens Oberm.; Ann. Transvaal Mus. 18: 160 (1936)
species :
Petalidium bembeense
Swanepoel & A.E.van Wyk; Phytotaxa 762(1): 87 (2026)
Distribution: Angola; Namibia
26 ANG 27 NAM
species :
Petalidium bracteatum
Oberm.; Ann. Transvaal Mus. 18: 161 (1936)
Distribution: Zimbabwe [I]; N-Namibia
26 zim 27 NAM
species :
Petalidium canescens
(Engl.) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 92 (1900)
Distribution: Namibia
27 NAM
Synonyms: hidden
= Petalidium eenii S.Moore; J. Bot. 45: 227 (1907)
= Pseudobarleria canescens Engl.; Bot. Jahrb. Syst. 10: 258 (1888)
species :
Petalidium cirrhiferum
S.Moore; J. Bot. 40: 307 (1902)
Distribution: Angola; NW-Namibia
26 ANG 27 NAM
species :
Petalidium coccineum
S.Moore; J. Bot. 18: 225 (1880)
Distribution: Angola; N-Namibia
26 ANG 27 NAM
Synonyms: hidden
= Petalidium otaviense Dinter; Repert. Spec. Nov. Regni Veg., Beih. 53: 112 (1928)
= Barleria otaviensis Dinter ex Oberm.; Ann. Transvaal Mus. 18: 162 (1936), pro syn.
= Petalidium rubescens Oberm.; Ann. Transvaal Mus. 18: 158 (1936)
= Pseudobarleria coccinea (Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
species :
Petalidium crispum
A.Meeuse ex P.G.Mey.; Mitt. Bot. Staatssamml. München 4: 66 (1961)
Distribution: NW-Namibia
27 NAM
species :
Petalidium currorii
Benth. ex S.Moore; J. Bot. 18: 226 (1880)
Distribution: Angola
26 ANG
Synonyms: hidden
= Petalidium hirsutum (T.Anderson) P.G.Mey.; Mitt. Bot. Staatssamml. München 4: 72 (1961)
= Pseudobarleria currorii (S.Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
= Pseudobarleria hirsuta T.Anderson; J. Proc. Linn. Soc., Bot. 7: 26 (1863), nom. illeg.
species :
Petalidium cymbiforme
Schinz; Vierteljahrsschr. Naturf. Ges. Zürich 71: 145 (1926)
Distribution: S-Namibia
27 NAM
species :
Petalidium elatum
Benoist; Bol. Soc. Brot., Ser. 2, 24: 14 (1950)
Distribution: Mozambique
26 MOZ
Remarks: provisionally accepted name
species :
Petalidium englerianum
(Schinz) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 89 (1900)
Distribution: Namibia; Botswana
27 BOT NAM
Synonyms: hidden
= Petalidium eurychlamys Mildbr.; Notizbl. Bot. Gart. Berlin-Dahlem 15: 462 (1941)
= Petalidium latifolium (Schinz) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 88 (1900)
= Petalidium ovatum (Schinz) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 90 (1900)
= Pseudobarleria engleriana Schinz; Verh. Bot. Vereins Prov. Brandenburg 31: 197 (1890)
= Pseudobarleria latifolia Schinz; Verh. Bot. Vereins Prov. Brandenburg 31: 197 (1890)
= Pseudobarleria ovata Schinz; Verh. Bot. Vereins Prov. Brandenburg 31: 198 (1890)
species :
Petalidium engoense
Swanepoel & A.E.van Wyk; Phytotaxa 734(1): 10 (2025)
Distribution: Angola; Namibia
26 ANG 27 NAM
species :
Petalidium etendekaense
Swanepoel, E.A.Tripp & A.E.van Wyk; Phytotaxa 636(1): 37 (2024)
Distribution: Namibia
27 NAM
species :
Petalidium giessii
P.G.Mey.; Mitt. Bot. Staatssamml. München 6: 507 (1967)
Distribution: NW-Namibia
27 NAM
species :
Petalidium glandulosum
S.Moore; J. Bot. 18: 226 (1880)
Distribution: Angola
26 ANG
Synonyms: hidden
= Pseudobarleria glandulosa (S.Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 299 (1895)
species :
Petalidium glutinosum
(Engl.) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 92 (1900)
Distribution: NW-Namibia
27 NAM
Synonyms: hidden
= Pseudobarleria glutinosa Engl.; Bot. Jahrb. Syst. 10: 259 (1888)
= Petalidium pilosibracteolatum Merxm. & Hainz; Mitt. Bot. Staatssamml. München 12: 69 (1955)
species :
Petalidium gossweileri
S.Moore; J. Bot. 40: 305 (1902)
Distribution: Angola
26 ANG
species :
Petalidium halimoides
(Nees) S.Moore; J. Bot. 18: 228 (1880)
Distribution: Angola; NW-Namibia
26 ANG 27 NAM
Synonyms: hidden
= Barleria halimoides Nees; Prodr. [A.P. de Candolle] 11: 231 (1847)
= Petalidium loranthifolium S.Moore; J. Bot. 18: 227 (1880)
= Pseudobarleria halimoides (Nees) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
= Pseudobarleria loranthifolia (S.Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
species :
Petalidium hoarusibense
Swanepoel & A.E.van Wyk; Phytotaxa 681(1): 2 (2025)
Distribution: Namibia
27 NAM
species :
Petalidium huillense
C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 91 (1900)
Distribution: Angola
26 ANG
species :
Petalidium kaokoense
Swanepoel; Phytotaxa 468(3): 237 (2020)
Distribution: Namibia
27 NAM
species :
Petalidium karasbergense
Swanepoel & A.E.van Wyk; Phytotaxa 609(1): 2 (2023)
Distribution: Namibia
27 NAM
species :
Petalidium konkiepense
Swanepoel & A.E.van Wyk; Phytotaxa 585(1): 30 (2023)
Distribution: Namibia
27 NAM
species :
Petalidium lanatum
(Engl.) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 90 (1900)
Distribution: C-Namibia
27 NAM
Synonyms: hidden
= Pseudobarleria lanata Engl.; Bot. Jahrb. Syst. 10: 258 (1888)
species :
Petalidium lepidagathis
S.Moore; J. Bot. 18: 227 (1880)
Distribution: Angola
26 ANG
Synonyms: hidden
= Pseudobarleria lepidagathis (S.Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
species :
Petalidium linifolium
T.Anderson; J. Proc. Linn. Soc., Bot. 7: 25 (1864)
Distribution: S-Namibia
27 NAM
Synonyms: hidden
= Petalidium parvifolium var. angustifolium Schinz; Vierteljahrsschr. Naturf. Ges. Zürich 71: 146 (1926)
= Pseudobarleria linifolia (T.Anderson) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 299 (1895)
species :
Petalidium lucens
Oberm.; Ann. Transvaal Mus. 18: 155 (1936)
Distribution: SE-Namibia; South Africa (N-Cape Prov.)
27 NAM SAF
species :
Petalidium luteoalbum
A.Meeuse; Bothalia 7: 409 (1960)
Distribution: Namibia
27 NAM
species :
Petalidium mannheimerae
Swanepoel, Nanyeni & A.E.van Wyk; Phytotaxa 561(1): 5 (2022)
Distribution: Namibia; South Africa (N-Cape Prov.)
27 NAM SAF
species :
Petalidium microtrichum
Benoist; Bol. Soc. Brot., Ser. 2, 24: 13 (1950)
Distribution: Mozambique
26 MOZ
Remarks: provisionally accepted name
species :
Petalidium namibense
Swanepoel & A.E.van Wyk; Phytotaxa 671(2): 129 (2024)
Distribution: Namibia
27 NAM
species :
Petalidium oblongifolium
C.B.Clarke; Fl. Cap. [Harvey & auct. succ.] 5: 1. 22 (1901)
Distribution: South Africa (Limpopo, Mpulamanga)
27 SAF
species :
Petalidium ohopohense
P.G.Mey.; Mitt. Bot. Staatssamml. München 11: 108 (1973)
Distribution: NW-Namibia
27 NAM
species :
Petalidium parvifolium
C.B.Clarke ex Schinz; Vierteljahrsschr. Naturf. Ges. Zürich 71: 146 (1926)
Distribution: S-Namibia; Botswana; South Africa (N-Cape Prov.)
27 BOT NAM SAF
Synonyms: hidden
= Petalidium wilmaniae Oberm.; Ann. Transvaal Mus. 18: 156 (1936)
species :
Petalidium physaloides
S.Moore; J. Bot. 18: 225 (1880)
Distribution: Angola; N-Namibia
26 ANG 27 NAM
Synonyms: hidden
= Pseudobarleria physaloides Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 299 (1895)
species :
Petalidium ramulosum
Schinz; Vierteljahrsschr. Naturf. Ges. Zürich 61: 434 (1916)
Distribution: C-Namibia
27 NAM
species :
Petalidium rautanenii
Schinz; Mém. Herb. Boissier 20: 33 (1900)
Distribution: Namibia
27 NAM
Synonyms: hidden
= Pseudobarleria glandulifera Lindau; Bot. Jahrb. Syst. 57: 21 (1920)
species :
Petalidium rossmannianum
P.G.Mey.; Mitt. Bot. Staatssamml. München 4: 68 (1961)
Distribution: NW-Namibia
27 NAM
species :
Petalidium rupestre
S.Moore; J. Bot. 18: 226 (1880)
Distribution: Angola
26 ANG
Synonyms: hidden
= Pseudobarleria rupestris (S.Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
species :
Petalidium saxatile
Swanepoel, K.G.Dexter, E.A.Tripp & A.E.van Wyk; Phytotaxa 716(3): 165 (2025)
Distribution: Angola; Namibia
26 ANG 27 NAM
species :
Petalidium saxatile
Swanepoel, K.G.Dexter, E.A.Tripp & A.E.van Wyk; Phytotaxa 716(3): 165 (2025)
Distribution: Namibia
27 NAM
species :
Petalidium sebrabergense
Swanepoel & A.E.van Wyk; Phytotaxa 728(1): 19 (2025)
Distribution: Angola; Namibia
26 ANG 27 NAM
species :
Petalidium sesfonteinense
Swanepoel & E.A.Tripp; Phytotaxa 549(2): 128 (2022)
Distribution: Namibia
27 NAM
species :
Petalidium setosum
C.B.Clarke ex Schinz; Vierteljahrsschr. Naturf. Ges. Zürich 61: 434 (1916)
Distribution: Namibia; South Africa (N-Cape Prov.)
27 NAM SAF
species :
Petalidium spiniferum
C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 91 (1900)
Distribution: Angola; Namibia
26 ANG 27 NAM
species :
Petalidium subcrispum
P.G.Mey.; Mitt. Bot. Staatssamml. München 6: 509 (1967)
Distribution: Namibia
27 NAM
species :
Petalidium tomentosum
S.Moore; J. Bot. 40: 306 (1902)
Distribution: Angola
26 ANG
species :
Petalidium variabile
(Engl.) C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 92 (1900)
Distribution: Namibia; Botswana
27 BOT NAM
Synonyms: hidden
= Petalidium damarense S.Moore; J. Bot. 45: 227 (1907)
= Petalidium incanum (Engl.) Mildbr.; Notizbl. Bot. Gart. Berlin-Dahlem 15: 463 (1941)
= Pseudobarleria variabilis Engl.; Bot. Jahrb. Syst. 10: 259 (1888)
= Pseudobarleria variabilis var. incana Engl.; Bot. Jahrb. Syst. 10: 259 (1888)
= Pseudobarleria variabilis var. viridescens Engl.; Bot. Jahrb. Syst. 10: 259 (1888)
variant :
var. spectabile
Mildbr.
Distribution: Namibia
27 NAM
species :
Petalidium welwitschii
S.Moore; J. Bot. 18: 227 (1880)
Distribution: Angola; NW-Namibia
26 ANG 27 NAM
Synonyms: hidden
= Pseudobarleria welwitschii (S.Moore) Lindau; Nat. Pflanzenfam. [Engler & Prantl] IV, 3b: 300 (1895)
