Diosma awilana I.Williams

Species

Angiosperms > Sapindales > Rutaceae > Diosma

Characteristics

Shrubs up to 1.2 m tall, erect, arising from a single stem at base. Branches erect, glabrescent, arising in clusters, with a fairly smooth bark. Branchlets erect, fairly short, pubescent, well clothed with leaves. Leaves up to 8 mm long, 4.7 mm broad, normally about 5 mm long, 3.3 mm broad, ovate or broadly-lanceolate, acute, apex abruptly recurved with a sharp point, hyaline margins narrow, crisped ciliate, glabrous, sessile, alternate, erect, sub-complicate, gland-dotted along the blade on either side of the midrib. Inflorescence terminal, 1-4 aggregate, flowers opening in succession. Bract 3.5 mm long, 1.7 mm broad, leaf-like, lanceolate, acute, mucronate, crisped ciliate, glabrous, gland-dotted on either side of the midrib. Bracteoles two, 3 mm long, 0.7 mm broad, lanceolate, asymmetrical in outline, acute, mucronate, ciliate, glabrous. Calyx lobes five, 2.3 mm long, 1.8 mm broad, broadly lanceolate, acute, mucronate, apex pink in colour, glabrous, ciliate with broad translucent margins. Petals five, 2.9 mm long, 2 mm broad, orbicular, glabrous, minutely apiculate, sessile, sparsely ciliolate. Staminodes absent. Filaments five, glabrous acicular, becoming 2 mm long. Anthers five, before anthesis 0.8 mm long, 0.7 mm broad, yellow tinged with pale red, apical gland minute and sessile. Pollen 60µ long, 28µ diam., ellipsoidal, slightly contracted in the middle. Disc 5-sinuate-crenu-late, spreading, 2 mm diam., green, exudes nectar, exceeds the ovary by a long way. Stigma 0.2 mm diam., capitellate, green. Style glabrous, at first deflexed finally becoming erect and nearly 2 mm long. Ovary 5-carpellate, 0.7 mm diam., glabrous. Fruit 5-carpellate, 12 mm long, glabrous, oily when fresh with many gland-dots, with horns 5 mm long, erect. Seed 5.3 mm long, 2.8 mm broad, black, shining.
More
Like D. subulata but leaves alternate, sessile, with recurved tip.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Diosma awilana world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:772403-1
WFO ID wfo-0000648187
COL ID 36DHG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Diosma awilana