Croomia is a genus of primitive

angiosperm Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

herbs In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

in the

Stemonaceae The Stemonaceae are a family of monocotyledonous flowering plants placed in the order Pandanales. The family consists of four genera with ca 37 known species distributed in areas with seasonal climate across Southeast Asia and tropical Australia. ...

family, first described as a genus in 1840.

Taxonomy

Once included in its own family, Croomiaceae, ''Croomia'' has also previously been included in

Dioscoreaceae Dioscoreaceae () is a family of monocotyledonous flowering plants, with about 715 known species in nine genera. The best-known member of the family is the yam (some species of '' Dioscorea''). The APG system (1998) and APG II system (2003) both ...

Subdivision

About six species. * ''

Croomia heterosepala Croomia is a genus of primitive angiosperm herbs in the Stemonaceae family, first described as a genus in 1840. Taxonomy Once included in its own family, Croomiaceae, ''Croomia'' has also previously been included in Dioscoreaceae. Subdivisio ...

'' (Baker) Okuyama - Japan * ''

Croomia hyugaensis Croomia is a genus of primitive angiosperm herbs in the Stemonaceae family, first described as a genus in 1840. Taxonomy Once included in its own family, Croomiaceae, ''Croomia'' has also previously been included in Dioscoreaceae. Subdivisio ...

'' Kadota & Mas.Saito -

Kyushu is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surroun ...

* ''

Croomia japonica ''Croomia japonica'' is a plant species native to China and Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by ...

'' Miq. -

Anhui Anhui , (; formerly romanized as Anhwei) is a landlocked province of the People's Republic of China, part of the East China region. Its provincial capital and largest city is Hefei. The province is located across the basins of the Yangtze River ...

Fujian Fujian (; alternately romanized as Fukien or Hokkien) is a province on the southeastern coast of China. Fujian is bordered by Zhejiang to the north, Jiangxi to the west, Guangdong to the south, and the Taiwan Strait to the east. Its capi ...

Jiangxi Jiangxi (; ; formerly romanized as Kiangsi or Chianghsi) is a landlocked province in the east of the People's Republic of China. Its major cities include Nanchang and Jiujiang. Spanning from the banks of the Yangtze river in the north int ...

Zhejiang Zhejiang ( or , ; , also romanized as Chekiang) is an eastern, coastal province of the People's Republic of China. Its capital and largest city is Hangzhou, and other notable cities include Ningbo and Wenzhou. Zhejiang is bordered by Jiang ...

, Chugoku,

* ''

Croomia kinoshitae Croomia is a genus of primitive angiosperm herbs in the Stemonaceae family, first described as a genus in 1840. Taxonomy Once included in its own family, Croomiaceae, ''Croomia'' has also previously been included in Dioscoreaceae. Subdivisi ...

'' Kadota -

Shikoku is the smallest of the four main islands of Japan. It is long and between wide. It has a population of 3.8 million (, 3.1%). It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include ''Iyo-no-futana-shima'' (), '' ...

* ''

Croomia pauciflora ''Croomia pauciflora'' is a plant species native to Florida, Alabama, Georgia and Louisiana. ''Croomia pauciflora'' is generally found in rich loams in forests. ''C. pauciflora'' is a perennial herb spreading by underground rhizomes. It has scal ...

'' (Nutt.) Torr. - United States ( FL GA AL LA) * ''

Croomia saitoana Croomia is a genus of primitive angiosperm herbs in the Stemonaceae family, first described as a genus in 1840. Taxonomy Once included in its own family, Croomiaceae, ''Croomia'' has also previously been included in Dioscoreaceae. Subdivisio ...

'' Kadota -

Distribution and habitat

''Croomia'' is native to China, Japan, and the southeastern United States.Kew World Checklist of Selected Plant Families
/ref> The plants grow in moist, shady woods. Their small flowers are borne beneath the leaves.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.
/ref>

References

Bibliography

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 Torreya State Park is a 13,735 acre (56 km²) Florida State Park, United States National Natural Landmark and historic site thirteen miles (19 km) north of Bristol. It is located north of S.R 12 on the Apalachicola River, in northwest ...

Pandanales genera Stemonaceae {{Pandanales-stub