Merremia ampelophylla

Nomenclature

Accepted name/Authority/Place of publication: 

Merremia ampelophylla Hallier f, Bot. Jahrb. Syst. 18: 115 (1893). Type: Kenya, Fischer 412 (B holo. destroyed); Kenya, Kirrika 152 (EA neo., K isoneo.).

Synonyms: 

Merremia guerichiana Hall. F. in E.J. 18: 115 (1893), pro parte, quoad Fisher 34, nomen sobnudum. 

Description

Habit: 
Branched perennial; stems prostrate, up to 1 m long, radiating from a woody rootstock, sparsely to densely covered with yellowish, erect bristly hairs.
Leaves: 
Lamina palmately 5–7-lobed to about 2/3 or more of its length, kidney-shaped in outline, 2–6.5 x 2.3–9 cm; glabrescent or pilose, more so on the prominent veins beneath; lobes elliptic, obovate or oblong, up to 3 x 4 cm; irregularly and shallowly to deeply pinnately lobed and also acutely dentate; apex acute to emarginate, ending in a short mucron; base cordate; petiole 0.5–1.5 cm long, pilose.
Inflorescences: 
1(–3)-flowered, in lax cyme; peduncle 7–50mm long, pilose; pedicels 2–5(–15) mm long, pilose; bracts 3–6mm long.
Flowers: 
Sepals pilose; outer shorter, ovate-elliptic to circular, 8–10 x 6 mm, apex acute, mucronate or blunt, inner ones longer, more lanceolate, 11–18 x 6–7 mm. Corolla pale-yellow with purple- brown centre, 30–35 mm long, conspicuously lobed; lobes triangular, 5–7 x 7–12 mm.
Author: 
Sebsebe Demissew
References: 

Demissew, S. 2001. A Synopsis of the Genus Merremia (Convolvulaceae) in the Flora of Ethiopia and Eritrea. Kew Bulletin 56 (4): 931-943.

Demissew, S. 2006. Convolvulaceae. In: Hedberg, I., E. Kelbessa, S. Edwards, S. Demissew and E. Persson (eds.), Flora of Ethiopia and Eritrea, vol. 5, pp. 227–231. The National Herbarium Addis Ababa University and The Department of Systematic Botany Uppsala University; Addis Ababa, Ethiopia and Uppsala, Sweden. 

Biogeography, Ecology and Natural History

Distribution Map: 
Distribution: 

Ethiopia, Kenya and Tanzania.

Ecology: 

Acacia-Commiphora scrub, mixed deciduous woodland, wooded grassland in sandy soil; 500 - 1650 m.

Phenology: 

Number of collections seen: 33

months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

# flowering  specimens

4

1

8

4

1

3

7

# fruiting specimens

1

2

1

1


Author: 
Javier A. Luna
References: 

Demissew, S. 2001. A Synopsis of the Genus Merremia (Convolvulaceae) in the Flora of Ethiopia and Eritrea. Kew Bulletin 56 (4): 931-943. 

Demissew, S. 2006. Convolvulaceae. In: Hedberg, I., E. Kelbessa, S. Edwards, S. Demissew and E. Persson (eds.), Flora of Ethiopia and Eritrea, vol. 5, pp. 227–231. The National Herbarium Addis Ababa University and The Department of Systematic Botany Uppsala University; Addis Ababa, Ethiopia and Uppsala, Sweden. 

Authorship for webpage

Editor: 
Javier A. Luna, Mark A. Carine, Sebsebe Demissew.
Contributors: 
Acknowledgements: 
This species page was produced as part of the project ‘Expanding the scope of African Digital Plant Resources’ funded by the World Collections Programme.
Classification: 
Merremia ampelophylla

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