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Oldenlandia umbellata
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Family:
RUBIACEAE
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Citation: Oldenlandia umbellata L., Sp. Pl. 119. 1753; Hook. f., Fl. Brit. India 3: 66. 1880; Gamble, Fl. Pres. Madras 601(424). 1921; Vajr., Fl. Palghat Dist. 240. 1990.
Hedyotis umbellata (L.) Lam., Tabl. Encycl. 1: 272. 1792, nom. illeg.; Manilal & Sivar., Fl. Calicut 143. 1982; Mohanan, Fl. Quilon Dist. 210. 1984; Ansari, Fl. Kasaragod Div. 193. 1985; Sasidh., Fl. Chinnar WLS 150. 1999.
Gerontogea umbellata (L.) Cham. & Schltdl., Linnaea 4: 154. 1829.
Hedyotis brevicalyx Sivar., Biju & P.Mathew, Kew Bull. 48: 393. 1993.
Hedyotis puberula (G. Don) R. Br. ex Arn., Nov. Acta Phys. Med. Acad. Caes. Leop. Carol. Nat. Cur. 18: 342. 1836; Ramach. & V.J. Nair, Fl. Cannanore Dist. 218. 1988; Babu, Fl. Malappuram Dist. 330. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 232. 1994; Subram., Fl. Thenmala Div. 170. 1995; Sasidh., Fl. Shenduruny WLS 152. 1997; Dutta & Deb, Taxonomic Revision Hedyotis 114. 2004; Sunil & Sivadasan, Fl. Alappuzha Dist. 354. 2009.
Oldenlandia puberula G. Don, Gen. Hist. 3: 530. 1834.
Oldenlandia wightii Hook.f., Fl. Brit. India 3: 66. 1880; Gamble, Fl. Pres. Madras 601(424). 1921.
Hedyotis wightii (Hook.f.) K.K.N. Nair, Journ. Bombay Nat. Hist. Soc. 79: 453. 1982; M. Mohanan & Henry, Fl. Thiruvanthapuram 232. 1994; Sasidh., Fl. Chinnar WLS 150. 1999.
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Malayalam Name(s):
Chayaveru
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Tamil name(s):
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English name(s):
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Description:
Diffuse or prostrate herbs; root-stock woody. Leaves sessile, 0.5-1.6 x 0.2-0.4 cm, linear-lanceolate, base decurrent, margin revolute, apex acute, scabrous, 1-nerved; stipules with several bristles, base triangular. Flowers in many-flowered terminal, umbellate cymes and also sometimes axillary. Calyx lobes 4, persistent, c. 1.5 mm long, ovate-acuminate. Corolla pinkish-white, c. 3 mm across, campanulate; lobes 4, lanceolate. Stamens 4, in the throat of the corolla tube, exserted; filaments linear. Ovary c. 1 mm across, globose, hairy; stigma 2-fid, recurved. Capsule 2-2.5 mm across, globose, didymous, scabrid. Seeds angular, reticulate.
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Habit:
Herb
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Flowering & Fruiting:
November-March
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District(s):
All Districts
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Medicinal:
Yes
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Habitat:
Dry and moist deciduous forests, also in the plains
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Distribution:
Peninsular India and Sri Lanka
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Aquatic:
No
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
Blue, White
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Weed:
No
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
No
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
Rosemala, Chinnar, Alampetty, Karumpara, Cannanore, Hosdurg, Kalliassey, Walayar, Ambalapuzha, Thenmalai
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