Botanical Survey of India | Flora of India

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Tribulus lanuginosus L., Sp. Pl. 387. 1753; Nayar & Giri in Bull. Bot. Surv. India 24: 161. 1983.


Herbs, annual or biennial, usually prostrate, silky-pubescent. Leaves up to 5 cm long; leaflets 6 - 12, elliptic-oblong, oblique, acute, 3 - 10 x 2 - 5 mm; stipules lanceolate or falcate, ca 2.5 x 1 mm. Flowers ca 12 mm across, pale yellow; pedicels more than 10 mm long. Sepals lanceolate, 5 - 7 x 2 - 3 mm. Petals obovate-oblong, obtuse-truncate, 5 - 6 x 2 - 3 mm. Stamens 10, ca 4 mm long; intrastaminal glands triangular, free; extrastaminal glands thick, truncate; anthers oblong. Ovary ca 1 mm across; style ca 2.5 mm long; stigma faintly 5-rayed or sub-capitate. Fruits disk-shaped; mericarps acuminate at apex, ca 4 x 2.5 mm, 2 - 4-spined.

Fl. & Fr. Almost throughout the year.

Distrib. India: In most of the states.




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