花蔺科 hua lin ke
Wang Qingfeng (王青锋)[1]; Robert R. Haynes8[2]; C. Barre Hellquist9[3]
Herbs, perennial, aquatic or of swamps, rhizomatous, usually with milky juice. Leaves usually emersed, basal, alternate, linear to orbicular, sheathing at base, sessile, triquetrous. Flowers hermaphroditic, in terminal, long pedunculate umbels within erect scapes, long pedicellate, with 3 free bracts. Perianth segments in 2 series, outer 3 usually sepal-like, inner 3 petal-like and usually thin and deciduous. Stamens 9, free; anthers basifixed, 2-celled, opening by longitudinal slits. Carpels 6, connate at base; ovules numerous. Fruit a whorl of follicles; follicles with apical long beak. Seeds numerous, without endosperm; embryo straight.
One genus with one or two species: best represented in tropical areas of the Americas, distributed in North America, Asia, Europe, and S Africa; one species in China.
花蔺属 hua lin shu
The description and distribution as for the family.
花蔺 hua lin
Leaves twisted, 30–120 cm × 3–10 mm, apex acuminate. Scapes terete, ca. 70 cm; bracts ovate, apex acuminate. Flowers numerous; pedicels 4–10 cm. Sepals pinkish white, greenish outside along midvein. Petals pinkish white. Filaments flattened, broadened toward base. Styles curved. Seeds small. Fl. and fr. Jul–Sep. 2n = 20 or 40, with aneuploid counts of 16, 22, 24, 26, 28, 39, 42.
Still or slow-moving water of lakes, ponds, and channels. Annhui, Hebei, Heilongiang, Henan, Hubei, Jiangsu, Nei Mongol, Shaanxi, Shandong, Shanxi, Xinjiang [India, Kashmir, Mongolia; Europe, introduced into North America].
[1] Herbarium of Wuhan University, Department of Biology, Wuchang, Hubei, People’s Republic of China
[2] Herbarium, Biological Sciences, Biodiversity and Systematics Department, University of Alabama, Box 870345, Tuscaloosa, Alabama 35487-0345, U.S.A.
[3] Department of Biology, Massachusetts College of Liberal Arts, North Adams, Massachusetts 01247-4100, U.S.A.