Saba comorensis (Bojer) Pichon

Species

Angiosperms > Gentianales > Apocynaceae > Saba

Characteristics

Liana up to 20 m long; trunk up to 15 cm in diameter; wood reddish or yellow; bark rough, scaly, often fissured.. Leaves petiolate; blade ovate or elliptic, 4.5–24 cm long, 3.4–12 cm wide, rounded, obtuse or rarely shortly acuminate at the apex, oblique, rounded or subcordate at the base; petiole 7.5–20 mm long.. Inflorescence a many-flowered congested cyme; peduncle 2–6(–32) cm long; pedicels 1–7 mm long.. Flowers white with a yellow or orange throat; sepals 1.7–4 mm long, 1–2 mm wide; tube greenish, 16–34 mm long; lobes 19–41 mm long, 4–12 mm wide; ovary with a ring of white stiff hairs at the apex, ovules ± 50; stigmoid apex up to 2.2 mm long.. Fruit yellow or orange, (sub-)globose, up to 11 cm in diameter; pericarp 1–2.4 cm thick; very young fruits hairy; seeds whitish, yellow to brown, up to 1 cm in diameter.. Fig. 10 (p. 33).
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A creeper or vine. It grows 30-40 m long. It can be 1.9 m around. The stems are purplish-red. It has white milky sap. The leaf blade is 7-20 cm long by 4-10 cm wide. They are oval. It often has tendrils. The flowers are large and white. They have a sweet scent. They are in large groups at the ends of branches. The fruit are round and 6 cm across. They are yellow or orange. The fruit are edible. The shell is hard and bitter. The pulp is soft and reddish. It contains seeds.
Corolla tube 18–24 mm. long, slender, slightly inflated just below the middle, outer surface completely glabrous or pubescent, especially towards the apex, inner surface pilose; corolla lobes 16–30 x 3–9 mm., oblong-elliptic or obovate-elliptic, rounded at apex, minutely and irregularly ciliate, lower surface glabrous or pubescent towards the base, upper surface glabrous or shortly pilose near the base.
Leaves membranous, not strongly discolorous; petiole 8–14 mm. long, glabrous; lamina 7–19·5 x 4–9·5 cm., elliptic or ovate, rounded or obtuse at apex, rounded to subcordate at base; both surfaces glabrous, with lateral and tertiary nerves in relief; midrib raised below, impressed, level or slightly raised above; vein reticulation weakly scalariform.
Calyx 2·5–3 mm. long, lobes strongly imbricate, free to base, oblong, rounded at apex, dorsally glabrous or tomentose, minutely ciliate.
Inflorescences terminal many-flowered paniculate cymes, forming large dense heads or lax and tendrillous; axes glabrous or tomentose.
Ovary subglobose, c. 1 mm. long, with a ring of stiff erect hairs at the apex; style, clavuncle and stigma 4–5 mm. long.
Vigorous liane climbing to 30 m.; stem terete, slash pink with white milky sap, bark brown, almost smooth.
Fruit globose, up to 6 cm. in diameter when ripe, yellow or orange with white or orange pulp, edible.
Stamens inserted just below the middle of the corolla tube; anthers c. 2·75 mm. long, subsessile.
Young branches glabrous, lenticels conspicuous, small, circular, light-coloured, numerous.
Flowers large, white, attractive, very sweet-scented.
Tendrils common.
Life form perennial
Growth form -
Growth support climber
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical plant. It grows in closed forest in West Africa and also in savannah woodland. It is often near the banks of streams. In Malawi it grows from 500-1,300 m altitude. In Tanzania it grows between up to 1,800 m above sea level and in areas with a rainfall between 1,200-2,400 mm. It can grow in arid places.
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Very abundant in undisturbed forests, coastal areas and around the Great lakes region of Africa. Very rare in open areas. Closed-forest, fringing forest and savannah woodland, often on stream-banks.
Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) 9-12

Usage

The ripe fruit is eaten raw. The seeds are discarded. The seeds are also eaten. The pulp is soaked in water, sugar added and the the juice drunk.
Uses animal food dye environmental use food gum material medicinal poison vertebrate poison
Edible fruits seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seeds. The seeds germinate more easily after passing through the gut of an animal. It can also be grown from cuttings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Saba comorensis unspecified picture

Distribution

Saba comorensis world distribution map, present in Angola, Burundi, Benin, Burkina Faso, Central African Republic, Côte d'Ivoire, Cameroon, Congo, Ethiopia, Gabon, Ghana, Guinea, Gambia, Guinea-Bissau, Kenya, Liberia, Madagascar, Mali, Mozambique, Malawi, Mayotte, Nigeria, Sudan, Senegal, Sierra Leone, Somalia, South Sudan, Chad, Togo, Tanzania, United Republic of, Uganda, Viet Nam, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:81757-1
WFO ID wfo-0000299250
COL ID 6WYLG
BDTFX ID -
INPN ID 807519
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Landolphia comorensis Landolphia florida Pacouria comorensis Vahea comorensis Vahea florida Landolphia dubia Landolphia mayottensis Pacouria dubia Pacouria florida Willughbeia cordata Landolphia cordata Landolphia comorensis var. florida Landolphia florida var. comorensis Landolphia florida var. leiantha Saba comorensis var. florida Saba florida Saba comorensis var. comorensis Saba comorensis