Pygmaeothamnus zeyheri Robyns ex R.D.Good

Species

Angiosperms > Gentianales > Rubiaceae > Pygmaeothamnus

Characteristics

Leaves opposite, or mostly in whorls of 3 or 4, drying dark brownish-green or yellow-green (as in aluminium accumulators) usually ± subcoriaceous; blades 4.2–16 × 1.8–5.7 cm, obovate to obovate-oblong or elliptic, those of the lowest whorls rounded, others obtusely to subacutely shortly acuminate at the apex, cuneate at the base, glabrous or with rather sparse yellowish bristly hairs on both surfaces, which in no way obscure the surface; petioles distinct, 5–20 mm long, bristly pubescent; stipules 4–5 mm long, triangular at the base, drawn out at the apex, glabrous or bristly pubescent.
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A small shrub. It grows 20 cm high. It forms colonies from branched underground stems. The branches are erect. The leaves are dark green above and paler underneath. They are leathery and in rings of 3 or opposite in twos. The leaves are 4-16 cm long by 2-6 cm wide. The leaves do not have hairs. The flowers are in groups in the axils of leaves. The flowers are green. The fruit are green and 2 cm across. They turn yellow when ripe.
Inflorescences borne in the lower axils, including the lowest from which the leaves have fallen or were never fully developed, few to c. 40-flowered, much branched, up to 4 cm long; peduncles (5)10–20 mm long; secondary cymose branches sometimes elongate, up to 30 mm long with the flowers spaced; pedicels 3–7 mm long; bracts and bracteoles 3–7 × 0.5 mm, narrowly elliptic-lanceolate, acuminate.
Corolla slender, acuminate in bud; red or greenish, bristly pubescent or glabrous; tube 3–4 mm long; lobes 4–5 mm long, oblong-lanceolate, reflexed or sometimes probably erect, apex acuminate to shortly tailed.
Suffrutex with 3–6 slender stems 17–30 cm tall from a fairly slender ± horizontal rhizome; glabrous, or stems covered with dense short spreading rather bristly hairs and also some longer appressed ones.
Calyx tube globose, about 1 mm in diameter, bristly pubescent; lobes leaf-like, 0.8–2.5(5) × 0.3–0.8 mm, narrowly oblong, elliptic or lanceolate, glabrous or sparsely bristly pubescent.
Fruits 25–30 × 15–20 mm, oblong, subglobose or pyriform, containing (1)2 pyrenes, each 12 × 6 mm, glabrous.
Ovary 2-locular, filled with dark-coloured material.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.19 - 0.25
Root system rhizome
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 hot arid places. It grows in sandy and stony soil. It grows between 90-2,000 m above sea level. It can grow in arid places.
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Wooded grasslands, other types of grassland, sometimes stony, at elevations from 1,200- 1,400 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The ripe fruit is eaten raw. They can be dried and stored for 4 weeks and are then eaten dry. They are also used for juice. It is pounded and then left to stand in water.
Uses food medicinal
Edible fruits seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Pygmaeothamnus zeyheri world distribution map, present in Angola, Burkina Faso, Botswana, Cabo Verde, Namibia, Tanzania, United Republic of, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:763888-1
WFO ID wfo-0000289206
COL ID 4QNW3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pygmaeothamnus zeyheri Pachystigma zeyheri Canthium abbreviatum Fadogia zeyheri Canthium transvaalense Pygmaeothamnus zeyheri var. oatesii Vangueria zeyheri

Lower taxons

Pygmaeothamnus zeyheri var. rogersii Pygmaeothamnus zeyheri var. zeyheri