Tridentea marientalensis (Nel) L.C.Leach

Species

Angiosperms > Gentianales > Apocynaceae > Tridentea

Characteristics

Small succulent forming a loose clump up to 0.5 m diam. Stems 50-150 mm long, 10-15 mm thick; leaf-rudiments 5-12 mm long. Inflorescence with few flowers from spreading peduncle 5-100 mm long and 4-7 mm thick; pedicel (50-)70-100(-130) mm long, often spreading with upturned apex so that flowers humifuse; sepals 6-7 mm long, 2 mm broad at base, ovate-lanceolate, acuminate. Corolla ±50-75 mm diam., rotate to slightly campanulate; outside pale green sometimes suffused with purple; inside cream to pale yellow often speckled with brownish maroon towards centre darkening towards middle of lobes and becoming brownish to pinkish maroon towards tips, covered densely below bases of lobes and as far as mouth of tubelet around gynostegium with obtuse conical papillae each tipped with a slightly clavate usually white bristle up to 2 mm long (papillae reaching max. length just beyond mouth of tube, becoming shorter towards base of lobes); tube shallowly conical, with corolla somewhat thickened except just around gynostegium; lobes 18-25 mm long, 12.5 mm broad at base, spreading to strongly reflexed, ovate, acute, margins with white to purple subclavate vibratile cilia up to 5 mm long. Corona ±7 mm tall, 10-12 mm broad, pale yellow spotted with brown, raised on short stipe; outer lobes ±6 mm long, 1.5-2.0 mm broad at base, ascending, deeply trifid; central lobule ±5 mm long, narrowly deltoid, acute to truncate or bifid, slightly channelled down inner face; lateral lobules slender, subulate, often widely diverging, 3.0-3.5 mm long; inner lobes 3.5-5.0 mm long, connivent becoming recurved above, terete above anthers, obtuse, near base with ascending laterally flattened ± narrowly deltoid dorsal horn 1.0-2.5 mm long and 0.5-0.6 mm broad near base.
Life form perennial
Growth form -
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01
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 food
Edible fruits
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

Tridentea marientalensis world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:102324-1
WFO ID wfo-0001103807
COL ID 7CSC4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tridentea marientalensis Stapelia marientalensis

Lower taxons

Tridentea marientalensis subsp. albipilosa Tridentea marientalensis subsp. marientalensis