Botanical Survey of India | Flora of India

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1a. Epicalyx segments winged in fruits, ultimately spreading 2
b. Epicalyx segments not winged, rarely spreading 4
2a. Staminal column distally divided into 5-arms, each tipped by a cluster of anthers; styles 3-branched or 3-clefted; fruit loculicidally dehiscent 13. Kydia
b. Staminal column neither divided nor toothed; styles 2-branched (rarely 1); fruit indehiscent 3
3a. Flowers in large many-flowered panicles; corolla 5 - 10 mm across; staminal column 5-toothed at apex, stamens 10 or 20 (rarely 17 - 19) 12. Julostylis
b. Flowers solitary or in small 2 - 5-flowered panicles; corolla 2 - 2.5 cm across; staminal column without any teeth, stamens numerous 14. Nayariophyton
4a. Styles distally 5-branched, with branches spreading at maturity; stigmas more or less capitate or globose 5
b. Styles unbranched; stigmas ribbed or lobed 7
5a. Calyx regularly 5-lobed, not spathaceous, peristent 6
b. Calyx irregularly 2 - 3 -lobed, spathaceous, deciduous 8. Abelmoschus
6a. Capsules winged 9. Fioria
b. Capsules not winged 11. Hibiscus
7a. Epicalyx segments 3, large, leafy, cordate, persistent 8
b. Epicalyx segments 3 - 8, small, linear-oblanceolate, mositly caducous 16. Thespesia
8a. Style-branches coherent into a club-shaped mass; seeds obovoid or angled, cottony 10. Gossypium
b. Style-branches spreading at length; seeds reniform, pubescent with minute hairs 15. Senra

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