Botanical Survey of India | Flora of India

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Ascyreia Choisy




KEY TO THE SPECIES


1a. Styles as long as or half as long as ovary 2
b. Styles always longer than ovary 8
2a. Leaves sessile; stamens up to 20 in each fascicle; capsules 6.5 - 7 mm long 21. Hypericum reptans
b. Leaves subsessile; stamens ca 25 - 65 in each fascicle; capsules 6 - 18 mm long 3
3a. Leaves subacute or cuneate to subrotund at base, chartaecous, veins prominent; capsules 12 - 14 mm long 4
b. Leaves subamplexicaul to subcordate at base, coriaceous to subcoriaceous, veins obscure; capsules 9 - 11 mm long 20. Hyperium podocarpoides
4a. Flowers 2.5 - 4 cm across; styles straight; petals narrowly to broadly obovate 5
b. Flowers 4.5 - 6 cm across; styles recuved; petals obliquely obovate 12. Hypericum hookerianum
5a. Sepals 7 - 8 x 1.5 - 2 mm, lanceolate to oblanceolate, acute to subacuminate at apex 8. Hypericum gracilipes
b. Sepals 6 - 9 x 3.5 - 5 mm, oblong or elliptic-oblong to obovate, rounded at apex 25. Hypericum williamsii
6a. Sepals 3.5 - 8 mm, ovate-oblong to elliptic-oblong. obtuse to subobtuse at apex; styles as long as ovary 7
b. Sepals 7.5 - 10 mm, foliaceous, narrowly elliptic to broadly lanceolate, acute at apex; styles half as long as ovary 3. Hypericum choisianum
7a. Lateral veins prominent on leaves; flowers solitary, ca 1.7 - cm across 22. Hypericum tenuicaule
b. Lateral veins obscure on leaves; flowers in a few-flowered corymbose cymes, ca 1.7 - 3.8 cm across 23. Hypericum uralum
8a. Young stems and branches 2 - 4 lined becoming terete at maturity; stamens ca 20 in each fascicle 9
b. Stems and branches always terete; stamens ca 25 or more in each fascicle 10
9a. Leaves with ca 2 mm long petioles, cuneate to rounded at base; sepals longer than stamens; capsules ellipsoid-oblong to globose 4. Hypericum dyeri
b. Leaves sessile, subattenuate at base; sepals shorter than stamens; capsules ovoid-oblong 2. Hypericum benghalense
10a. Leaves closely set on stems with short internodes and dry blackish-brown to black 11
b. Leaves lax on stems with long internodes and dry brown to dark brown 12
11a. Shrubs 1 - 3 m high; venation both reticulate and parallel on leaves; petals 2.5 - 3.7 x 0.7 - 1.5 cm; seeds ca 1.5 mm long 16. Hypericum mysurense
b. Suffruticose undershrubs up to 75 cm high; venation reticulate; petals 1.5 - 2 x 0.5 - 1.2 cm; seeds ca 0.8 mm long 0. Hypericum cordifolium
12a. Leaf bases subamplexicaul to subcordate; capsules 1 - 2 cm long, ellipsoid to ellipsoid-oblong 13
b. Leaf bases cuneate to sub rotund; capsules 1 - 1.3 cm long, ovoid to ovoid-conical 17. Hypericum oblongifolium
13a. Sepals 4 - 5 x 1.5 - 2 mm, entire 10. Hypericum griffithii
b. Sepals 12 - 14 x 4 - 5 mm, distantly serrate 7. Hypericum gaitii


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