Begonia oxyloba Welw. ex Hook.F.

Species

Angiosperms > Cucurbitales > Begoniaceae > Begonia

Characteristics

Leaves petiolate; lamina 7–14 cm. long, ± ovate in outline, with 5 lobes, cordate at the base; sinuses between lobes 1/5–1/2 × length of lamina; margins irregularly and very shallowly dentate; superior surface green, glabrous or very sparsely hispid, inferior surface dark green or red when living, becoming green when dry, glabrous; petiole 8–23 cm. long; stipules c. 20 × 8 mm., linear, membranous, entire-margined, those at apex of stem very conspicuous and sheathing the growing point, later caducous; axillary bud sometimes developing into a short conical spine.
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Female flowers: tepals 2, c. 7 mm. long, pale pink, sub-orbicular; styles divided to c. 1/2 their length, the branches stigmatic, almost straight; ovary c. 1 cm. long, fusiform, not winged, tapering into a narrow stipe c. 1 cm. long; placentae bipartite.
Flowers in axillary cymes with 2 dichasia; peduncles 15–30 mm. long; primary dichasial branches 2–8 mm. long.
More or less erect succulent herb, 1–2 ft. high, with long woody rootstock, older plants straggling
Male flowers: tepals 2, c. 9 mm. long, pale pink, suborbicular; filaments c. 1 mm. long.
Fruit a berry 20–30 × 8–12 mm., ellipsoid, stipe 10–22 mm. long.
Stems glabrous, ascending, unbranched, rooting at lower nodes.
Fruits green with pink veins and white spots.
Bracts like stipules but very soon caducous.
Flowers pale pink with darker veins
Plants 19–55 cm. tall, annual.
Leaves purplish beneath
Stems tinged pink
Life form perennial
Growth form herb
Growth support epiphyte
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 0.58
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses animal food medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 60
Germination temperacture (C°) 21 - 26
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Begonia oxyloba world distribution map, present in Angola, Burundi, Benin, Côte d'Ivoire, Cameroon, Congo, Gabon, Ghana, Guinea, Equatorial Guinea, Kenya, Liberia, Madagascar, Mozambique, Nigeria, Rwanda, Sierra Leone, Togo, Tanzania, United Republic of, Uganda, and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:105331-1
WFO ID wfo-0000824991
COL ID 7SGSP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Begonia sassandrensis Begonia togoensis Begonia petrophila Begonia pycnocaulis Begonia seretii Begonia heddei Begonia kummeriae Begonia lehmbachii Begonia oxyloba var. kummerae Begonia cladocarpa Begonia conraui Begonia oxyloba