Pelargonium crithmifolium
Synonym: Otidia crithnifolium
Taxonomy
Pelargonium crithnifolium belongs to the subgenus Pelargonium pelargonium otidia (Lindl.) Harv.
Botany
Stems succulent, often stout and knobby, sometimes tuberous.
Leaves: sometimes fleshy; entire; shallowly lobed, pinnately or bipinnately compound; deciduous; sometimes glaucous; stipules small.
Inflorescence: sometimes branched.
Flowers: not scented; hypanthium always shorter than pedicel.
Petioles or peduncles sometimes persistent.
Petals: subequal; white, sometimes greenish, yellowish or pinkish; posterior ones sometimes eared at base, hence the name.
Stamens: 5 fertile; sometimes equal; staminodes shorter and almost equal.
Members of subgenus Pelargonium otodia
adriaanii M. Becker & F. Albers
albersii M. Becker
alternans Wendl.
alternatim-pinnatum Wendl. ex Steud. syn. alternans Wendl.
anauris M. Becker & F. Albers
arthriticum Clifton syn. pachypodium J. P. Roux
brevipetalum N. E. Brown syn. parviflorum Wendl.
burmannianum (Eckl. & Zeyh.) Steud. syn. carnosum ssp. ferulaceum (Cav.) M. Becker & F. Albers
carnosum (L.) L'Herit.
ceratophyllum L'Herit.
coralinum (Eckl. & Zeyh.) Steud. syn. alternans Wendl.
crassicaule E. Mey. syn. carnosum (L.) L'Herit.
crithmifolium J. E. Sm.
dasycaule Haw. syn. ceratophyllum L'Herit.
dasycaulon Sims syn. ceratophyllum L'Herit.
dasyphyllum E. Mey.
eberlanzii Knuth nom. ill. syn. parviflorum Wendl.
ferulaceum (Burm. f.) Willd. syn. carnosum (L.) L'Herit.
ferulaceum var. polycephalum Harv. syn. polycephalum (Harv.) R. Knuth ex E. Mey.
hermansdorpense Knuth syn. humansdorpense Knuth
hospitans Dinter nom. nud. syn. albersii M. Becker
humansdorpense Knuth non satis cogn.
jacobii R. A. Dyer syn. klinghardtense Knuth
keeromsbergense M. Becker & F. Albers
klinghardtense Knuth
laxum (Sweet) G. Don
mammulosum Wendl. syn. carnosum (L.) L'Herit.
microphyllum (Eckl. & Zeyh.) Steud. syn. alternans Wendl.
munitum Burch. syn. crithmifolium J. E. Sm.
occultum Liekkio & Clifton syn. pachypodium J. P. Roux
onustifolium Clifton syn. laxum ssp. karooicum M. Becker & F. Albers
pachypodium J. P. Roux
paniculatum Jacq.
paradoxum Dinter nom. inval. syn. klinghardtense Knuth
parviflorum Wendl.
polycephalum (Harv.) R. Knuth ex E. Mey.
"rotundipetalum" Vorster syn. parviflorum Wendl.
sisonifolium Baker syn. carnosum ssp. carnosum (L.) L'Herit.
vassari Morris & Clifton syn. pachypodium J. P. Roux
Literature
Becker M., Schäper K., Albers F. (2008), Description of two new taxa of Pelargonium section Otidia (Geraniaceae), P. keeromsbergense and P. laxum ssp. karooicum. Schumannia 5, 181-190.