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10. Vincetoxicum N.M. von Wolf, Gen. Pl. 130. 1776. Bullock in Kew Bull. 13:302. 19581:351.1967; Rechinger f., Fl. Iran. 73:10.1970 pro parte; Markgraf in Tutin et al. Fl. Europ. 3:71.1972; Ali & Khatoon in Pak. J. Bot. 14(1):61.68. 1982.
S.I. ALI
Rhizomatous herbs or undershrubs, young branches often twining. Leaves opposite, petiolate, lamina suborbicular to lanceolate. Flowers in axillary few-flowered cyrnes. Corolla lobes twisted in bud. Corona simple, 5-lobed or partite, lobes without internal processes, free or fused at the base only. Pollinia solitary in each loculus, pendulous, without a pellucid margin. Follicles smooth, fusiform.
A genus with about 10-20 species, distributed in Europe and Asia; represented in Pakistan by 6 species.
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| 1 |
Corolla lobes hairy within |
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(3) |
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Corolla lobes glabrous within |
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(2) |
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| 2 (1) |
Leaves dark green above, light green below, 2-3 times as long as broad |
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1 Vincetoxicum hirundinaria |
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Leaves ± of similar colour on both the sides, 3-5 times as long as broad |
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2 Vincetoxicum cardiostephanum |
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| 3 (1) |
Coronal lobe less than ½ the corolla lobe |
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(4) |
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Coronal lobe more than ½ the corolla lobe |
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3 Vincetoxicum canescens |
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| 4 (3) |
Flowers clusters axillary, sessile or shortly pedunculate, corona lobes rhomboid or
deltoid |
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(5) |
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Flower clusters conspicuously pedunculate, (particularly in lower part of stem), corona lobes linear or narrowly ovate |
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5 Vincetoxicum stocksii |
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| 5 (4) |
Inflorescence shortly pedunculate, corona lobes broadly deltoid, tuberculate, convergent |
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6 Vincetoxicum sakesarense |
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Inflorescence sessile, corona lobes rhomboidal, not tuberculate, divergent |
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4 Vincetoxicum arnottianum |
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Lower Taxa
Related Synonym(s):
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Treatments in Other Floras @ www.efloras.org
Other Databases
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