Botanical Survey of India | Flora of India

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Tribulus pentandrus Forssk., Fl. Aegypt. Arab. 88. 1775. T. alatus Del., Fl. Aegypt. 62. 1813; Edgew. & Hook.f. in Hook. f., Fl. Brit. India 1: 423. 1874. T. longipetalus Viv., Pl. Egypt. Dec. 10, t. 2. f. 5. 1831.


Hindi: Gokhuri-kalan; Punj.: Bhakra, Hasak; Raj.: Bakda.



KEY TO THE VARIETIES


1a. Wings of mericarps up to 8 mm broad, pubescent, grey to greyish-yellow 2
b. Wings of mericarps more than 8 mm broad, glabrous, straw-yellow 2.3. pterophorus
2a. Flowers 6 - 8 mm across; wings of mericarps up to 4 mm broad 2.2. pentandrus
b. Flowers 10 - 12 mm across; wings of mericarps 5 - 8 mm broad 2.1. macropterus


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