Croomia

Croomia
Croomia heterosepala flower
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Pandanales
Family: Stemonaceae
Genus: Croomia
Torr.
Synonyms[1]

Torreya H.B.Croom ex Meisn. 1843, illegitimate homonym, not Arn. 1838 (Taxaceae) nor Raf. 1818 (Lamiaceae) nor Raf. 1819 (Cyperaceae) nor Spreng. 1820 (Verbenaceae) nor A.A. Eaton 1829 (Loasaceae)

Croomia is a genus of primitive angiosperm herbs in the Stemonaceae Family described as a genus in 1840.[2][3]

Taxonomy

Once included in its own family, Croomiaceae, Croomia has also previously been included in Dioscoreaceae.[4]

Subdivision

About six species.[1]

  1. Croomia heterosepala (Baker) Okuyama - Japan
  2. Croomia hyugaensis Kadota & Mas.Saito - Kyushu
  3. Croomia japonica Miq. - Anhui, Fujian, Jiangxi, Zhejiang, Chugoku, Kyushu
  4. Croomia kinoshitae Kadota - Shikoku
  5. Croomia pauciflora (Nutt.) Torr. - United States (FL GA AL LA)[5]
  6. Croomia saitoana Kadota - Kyushu

Distribution and habitat

Croomia is native to China, Japan, and the southeastern United States.[1] The plants grow in moist shady woods. Their small flowers are borne under the leaves.[6][7]

References

  1. 1 2 3 Kew World Checklist of Selected Plant Families
  2. ↑ 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 English
  3. ↑ Tropicos, Croomia Torr.
  4. ↑ Dahlgren & Clifford 1982.
  5. ↑ Biota of North America Program 2013 county distribution map, Croomia pauciflora
  6. ↑ Flora of North America, Vol. 26 Page 467 Croomia pauciflora (Nuttall) Torrey in J. Torrey and A. Gray, Fl. N. Amer. 1: 663. 1840.
  7. ↑ 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.

Bibliography

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