Croomia is a genus of primitive angiosperm herbs in the Stemonaceae family, first described as a genus in 1840.Torrey, John. 1840. A flora of North America :containing abridged descriptions of all the known indigenous and naturalized plants growing north of Mexico, arranged according to the natural system 1(4): 663 in EnglishTropicos, Croomia Torr.
Taxonomy Once included in its own family, Croomiaceae, Croomia has also previously been included in Dioscoreaceae.
Subdivision About six species. Croomia heterosepala (Baker) Okuyama - Japan Croomia hyugaensis Kadota & Mas.Saito - Kyushu Croomia japonica Miq. - Anhui, Fujian, Jiangxi, Zhejiang, Chugoku, Kyushu Croomia kinoshitae Kadota - Shikoku Croomia pauciflora (Nutt.) Torr. - United States (FL GA AL LA)Biota of North America Program 2013 county distribution map, Croomia pauciflora Croomia saitoana Kadota - Kyushu
Distribution and habitat Croomia is native to China, Japan, and the southeastern United States.Kew World Checklist of Selected Plant Families The plants grow in moist, shady woods. Their small flowers are borne beneath the leaves.Flora of North America, Vol. 26 Page 467 Croomia pauciflora (Nuttall) Torrey in J. Torrey and A. Gray, Fl. N. Amer. 1: 663. 1840. Flora of China Vol. 24 Page 72 黄精叶钩吻属 huang jing ye gou wen shu Croomia Torrey in Torrey & A. Gray, Fl. N. Amer. 1: 663. 1840.
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External links
C. pauciflora at the Atlas of Florida Vascular Plants Image of C. pauciflora at Torreya State Park