Dombeya kirkii Mast.

Species

Angiosperms > Malvales > Malvaceae > Dombeya

Characteristics

Shrub 1-5 m tall (in the tropics sometimes a tree up to 10 m tall). Branchlets woody, faintly longitudinally ribbed with scattered lenticels and prominent leaf-scars; young branches densely stellate-pubescent. Stipules 4-8 mm long, narrowly linear, thick or thin in texture, sometimes with incurved margins, stellate-pubescent with interspersed glandular hairs. Leaves ovate, gradually narrowing in the upper third, the apex abruptly acuminate, 4-12 cm long, 3-11 cm broad, crenate on the margins, cordate at the base, 5-9-nerved from the base (nerves tomentose) stellate-pubescent on both surfaces, hairs short and appressed, wearing off with age; petiole 1-6 cm long, stellate-tomentose. Inflorescence a cymose panicle, short or elongated, axillary and clustered at the apices of the branchlets, usually appearing from February to May, pubescent with the characteristic patent hairs; peduncle 1.5-8 cm long, stellate-tomentose interspersed with long, patent pointed hairs; pedicels usually 0.5-1.5 cm long, sparsely to densely patently pubescent as well as tomentose. Bracts 3 at the base of the calyx, linear to linear-elliptic (that is narrowing slightly to base and apex), sometimes conduplicate, shortly tomentose on both surfaces, the outer also bristling with long patent hairs, 5-7 mm long, 1-1.5 mm broad at the middle. Calyx rounded at the base, united for about 1.5 mm; lobes 5-7 mm long, 1.5-2 mm broad at the base, dorsally tomentose and usually patently hairy as well. Petals white turning light brown with age, persistent, 8-10 mm long, 4.5-5 mm broad just above the middle. Stamens united for 1-1.5 mm, 3 rarely 2 between the staminodes; filaments of different lengths, very slender, up to 4 mm long; anthers 1 mm long; staminodes very slender, 7 mm long. Ovary 3-celled, 2.5 mm long, 2.5 mm broad, tomentose and with long erect hairs at the apex, hairs up to 1 mm long; style about 2-3.3 mm long, sparsely hairy near base or sometimes altogether pubescent, branches suberect or slightly recurved, about 3 mm long; ovules usually 2 in a cell. Capsule 4 x 3 mm, with tufted setose hairs at the apex, hairs about 1 mm long.
More
Leaf-lamina up to 13 × 10 cm., ovate, usually unlobed, rarely shallowly 3-lobed, apex acuminate, cordate at the base, margin irregularly crenate-serrate, base cordate and 5 (7)-nerved, thinly scaberulous-pubescent above, softly and rather thinly pubescent below, nerves fairly prominent below; petiole up to 5·5 cm. long, densely pubescent or glabrescent; stipules c. 5 mm. long, very caducous, subulate, tomentose.
Flowers white, in many-flowered axillary panicles; peduncles slender, densely pubescent with both long and short stellate hairs; pedicels up to c. 2 cm. long, with similar indumentum; bracts c. 4 mm. long, very caducous, linear-lanceolate, densely pubescent.
Shrub, up to 5 m high. Leaves ovate, 40-120 x 3-11 mm. Pubescence on pedicels and peduncles mostly stellate-tomentose, intermixed with long (up to 1.5 mm), thin, acute spreading hairs. Petals 8-10 mm long. Flowers white, turning light brown with age.
Much-branched shrub or small tree up to c. 9 m. tall; young branches tomentellous or densely pubescent, dark brown and glabrescent later; bark smooth and light grey.
Ovary depressed-globose, tomentose; loculi glabrous inside; ovules 2 (3) per loculus; style 2 mm. long, glabrous; stigmas 3, recurved.
Seeds c. 3 × 2 mm., dark brown, usually 1 per loculus, obovoid; testa almost smooth or very minutely reticulate.
Stamens united below for c. 1 mm.; staminodes c. 6 mm. long, narrowly linear, glabrous.
Calyx-lobes c. 7 × 1·5 mm., narrowly lanceolate-acuminate, tomentellous outside.
Capsule c. 5 mm. in diam., depressed-globose, somewhat 3-lobed, tomentose.
Petals c. 1 × 0·6 cm., very obliquely cuneate.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 6.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Woodland and bushland, on limestone ridges and rocky slopes; riverine thickets; dry deciduous forest on deep sandy alluvium fringing a seasonal watercourse; forest regrowth; at elevations from 90-2,100 metres.
Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses material medicinal wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dombeya kirkii unspecified picture

Distribution

Dombeya kirkii world distribution map, present in Ethiopia, Kenya, Mozambique, Tanzania, United Republic of, Uganda, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:823074-1
WFO ID wfo-0000653769
COL ID 378VY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dombeya mukole Dombeya gilgiana Dombeya gillettii Assonia kirkii Dombeya kituiensis Dombeya laxiflora Dombeya umbraculifera Dombeya warneckei Dombeya gilgiana var. scaberula Dombeya kirkii