Asterostoma
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publication ID |
https://doi.org/10.22244/rheedea.2019.29.4.01 |
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persistent identifier |
https://treatment.plazi.org/id/03DA87CA-FF84-FFF7-FFED-FF1AFA94FDB6 |
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treatment provided by |
Felipe |
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scientific name |
Asterostoma |
| status |
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Key to the species of sect. Asterostoma View in CoL
1a. Hypanthium with simple hairs only ............ 2
1b. Hypanthium with simple hairs, emergences and bristles ..................................................... 4
2a. Hairs (on hypanthium) with a bullate base, lamina turning yellow when dry ... O. gracilis
2b. Hairs (on hypanthium) without a bullate base, lamina not turning yellow when dry .......... 3
3a. Sepals subulate; intersepalar emergences stalked, with terminal and lateral hairs .......... ................................................... O. tirunelvelica
3b. Sepals triangular; intersepalar emergences sessile, with hairs at apex only.......... O. aspera
4a. Hypanthium clothed with large scale-like emergences only............................................ 5
4b. Hypanthium clothed with stellate headed emergences .................................................... 7
5a. Leaves 4 × 1 cm; panicle 2–3-flowered; sepals exceeding hypanthium ..................... O. nutans
5b. Leaves 8 × 3 cm; panicle 8–12-flowered; sepals not exceeding hypanthium ........................... 6
6a. Lamina sessile, base truncate ...... O. nepalensis
6b. Lamina petiolate (0.5–1.5 cm long), base obtuse ....................................... O. wynaadensis
7a. Branchlets pilose; leaves sessile, ascending; bracts orbicular.................... O. leschenaultiana
7b. Branchlets otherwise; leaves petiolate; bracts ovate to cordate ............................................. 8
8a. Leaves 5–7-nerved ......................................... 9
8b. Leaves 3–5-nerved ....................................... 10
9a. Lamina bullate, densely hairy; base subcordate; venation acrodromous ................. O. reticulata
9b. Lamina not bullate; sparsely hairy; base obtuse; venation non-acrodromous ....... O. wightiana
10a. Inflorescence a terminal cluster of cymes; lamina lanceolate .............................. O. virgata
10b.Inflorescence a terminal panicle; lamina ovate to elliptic ...................................................... 11
11a. Bracts ovate, woolly dorsally; sepals triangular ........................................................ O. mehrana
11b.Bracts cordate, sparsely hairy; sepals subulate ...................................................................... 12
12a. Calyx lobes symmetrical; branches sparsely hirsute ....................................... O. travancorica
12b Calyx lobes asymmetrical; branches densely strigose ......................................... O. abrahamii
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