Home Flora of Missouri
Name Search
Matelea Aubl. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Histoire des Plantes de la Guiane Françoise 277–278, pl. 109, f. 1. 1775. (Jun-Dec 1775) (Hist. Pl. Guiane) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 8/4/2017)
Acceptance : Accepted
Project Data     (Last Modified On 8/3/2009)


Export To PDF Export To Word

4. Matelea Aubl. (climbing milkweed)

Plants with white latex and thus milky sap. Stems 1–3 m long, twining, usually climbing, branched or unbranched, moderately pubescent with spreading hairs and also minute glandular hairs (these often dark purple wherever they occur). Leaves opposite, mostly long-petiolate. Leaf blades ovate to broadly ovate or nearly circular in outline, less commonly oblong-ovate, the base deeply cordate, the tip gradually or abruptly tapered to a sharp point, the margins flat or slightly curled under, the surfaces moderately to densely pubescent with short hairs and minute glandular hairs. Inflorescences solitary in the leaf axils, mostly relatively long-stalked, consisting of sometimes branched, umbellate clusters, with 4–25 flowers. Calyces with the lobes spreading at maturity, hairy on the outer surface. Corollas more or less spreading to loosely ascending at flowering (erect in bud and sometimes after flowering), white to light cream-colored or dark purple to nearly black, hairy on the outer surface. Gynostegium appearing sessile or nearly so, the corona longer than the anther/stigma head, modified into a shallow, 5-lobed, cup-shaped crown, with narrow appendages between the lobes. Fruits pendant, lanceolate to narrowly ovate in outline, circular or slightly flattened in cross-section (not noticeably angled), the surface covered with slender, warty, hardened projections, minutely pubescent, usually with mostly glandular hairs. Seeds strongly flattened and winged, brown to dark brown, with a tuft of long, silky hairs at the tip. Two hundred to 250 species, U.S., Mexico, Central America, South America, Caribbean Islands.

Vegetatively, Missouri Matelea sometimes cannot be distinguished from Gonolobus, although in the latter genus the stems often are more sparsely hairy, and the frequency of minute glandular hairs is usually far less than in Matelea. Even species within Matelea cannot be discriminated reliably based only on vegetative characters.


Export To PDF Export To Word Export To SDD
Switch to indented key format
1 1. Corollas white to light cream-colored ... 1. M. BALDWYNIANA

Matelea baldwyniana
2 1. Corollas dark purple to nearly black, rarely greenish yellow ... 2. M. DECIPIENS Matelea decipiens
© 2018 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110