Decalobanthus sumatranus Ooststr.

Species

Angiosperms > Solanales > Convolvulaceae > Decalobanthus

Characteristics

Herb with prostrate, thin, terete stems. Leaves ovate or narrowly ovate, 4-6 by 2-4 cm, truncate or slightly retuse at the base, gradually attenuate towards the obtusish mucronulate apex; midrib and 6-7 nerves on either side prominent on both sides; petiole 10-17 mm. Inflorescences axillary, 1-3-flowered; peduncles 1½-3½ cm; pedicels slightly angular, thickened at the apex, 1-1½ cm. Sepals equal in length or the exterior ones a little shorter, up to nearly 20 mm long, concave; two outer ones ovate, shallowly emarginate, indistinctly mucronulate, coriaceous; three inner ones elliptic, coriaceous, with membranous margins. Corolla salver-shaped, yellow; tube narrowly obconical to cylindrical, fleshy, up to 2½ cm long; limb 5-lobed, the lobes reflexed (or patent?), bifid with oblong, obtuse, ca5-5½ mm long lobules. Filaments inserted ca 6½ mm above the corolla-base. Ovary glabrous, 2-celled. Disk cylindrical, slightly lobed. Fruit unknown.
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Growth form herb
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Sexuality hermaphrodite
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Environment

The only collection known was found along a wayside, on an open sunny place on weathered tuff, 60 m.
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Decalobanthus sumatranus world distribution map, present in Indonesia and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:267741-1
WFO ID wfo-0001039750
COL ID 34CVG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Decalobanthus sumatranus