Croomia Explained

Croomia is a genus of primitive angiosperm herbs in the Stemonaceae family, first described as a genus in 1840.^{[1] [2]}

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)^[3]
• Croomia saitoana Kadota - Kyushu

Distribution and habitat

Croomia is native to China, Japan, and the southeastern United States.^[4] The plants grow in moist, shady woods. Their small flowers are borne beneath the leaves.^{[5] [6]}

Bibliography

• Book: Dahlgren . Rolf . Clifford . H. T. . [{{Google books|coXwAAAAMAAJ|plainurl=yes}} The monocotyledons: A comparative study ]. 1982 . London and New York . Academic Press .

External links

• C. pauciflora at the Atlas of Florida Vascular Plants
• C. pauciflora at the USDA Plants Database
• Image of C. pauciflora at Torreya State Park

Notes and References

1. https://www.biodiversitylibrary.org/page/5291103#page/685/mode/1up 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
2. http://www.tropicos.org/Name/40016811 Tropicos, Croomia Torr.
3. http://bonap.net/MapGallery/County/Croomia%20pauciflora.png Biota of North America Program 2013 county distribution map, Croomia pauciflora
4. http://apps.kew.org/wcsp/namedetail.do?name_id=303654 Kew World Checklist of Selected Plant Families
5. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220003508 Flora of North America, Vol. 26 Page 467 Croomia pauciflora (Nuttall) Torrey in J. Torrey and A. Gray, Fl. N. Amer. 1: 663. 1840.
6. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=108414 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.