Stenostelma periglossoides (Schltr.) Bester & Nicholas

Species

Angiosperms > Gentianales > Apocynaceae > Stenostelma

Characteristics

Tuber elongated, radish-like, producing 1 or 2 simple stems 9-20 in. high, puberulous along 2 lines or glabrous below, with internodes 1.5-2.25 in. long; leaves erect, 2.33-4.5 in. long, 0.5-1.5 lin. broad, linear, acute, subsessile or shortly petiolate; umbels sessile, subglobose, 10-12-flowered, lateral at the nodes; pedicels 1.5-3 lin. long, dusky-puberulous; sepals 0.75-1.25 lin. long, 0.5 lin. broad, ovate or ovate-lanceolate, acute, thinly puberulous; corolla-lobes suberect or campanulately spreading, 2 lin. long, 0.75-1 lin. broad, oblong or rather narrowly oblong-ovate, concave at the lower 0.66, narrowly revolute along the margins, recurved at the subacute tips, thinly puberulous on the back, minutely papillate-velvety on the margins and upper part of the inner face, glabrous in the concavity, green on the back, sometimes stained with purple-brown, whitish on the inner face; corona-lobes shorter than the staminal column, 0.66-1 lin. long, 0.3-0.5 lin. broad, erect, rather thick and fleshy, ovate, ovate-lanceolate or oblong-lanceolate, obtusely pointed, with a ^-like thickening below the apex or slightly gibbous on the back, flat on the inner face, with a short fleshy erect truncate or broadly-rounded transverse appendage near the base and scarcely reaching to the middle; staminal column 1.25-1.3 lin. long; anther-appendages rhomboid-ovate, acute, with their tips inflexed over the rim of the shallow crater-like style-apex; anther-wings angular at the middle; follicles (not quite mature in the specimens seen) solitary or in pairs, erect from the recurved pedicel, 2.5-3 in. long, 0.25 in. thick, fusiform, tapering into a rather long beak, with about 6 longitudinal series of ascending subulate processes 0.75-1.5 lin. long and varying from fuscous-puberulous to nearly glabrous.
More
Perennial, geophytic herb, 230-600 mm high. Stems erect, usually unbranched. Leaves with blade linear to narrowly ovate, 25-120 x 1.5-6.0 mm. Flowers: inflorescences 4-12 per stem, sessile, in upper 1/3 of stem, 6-16-flowered; corona ovoid without any projection; corolla lobes spreading or suberect, flat, 4 mm long, puberulous outside, glabrous or minutely puberulous inside, green with purple-brown outside and whitish to cream-coloured inside; Sep.-Jan. Fruit a follicle.
Perennial herb, 0.23-0.60 m high. Umbels sessile. Corolla lobes spreading or suberect, 4 mm long, puberulous outside, glabrous or minutely puberulous inside. Corona lobes up to 2 mm long, slightly gibbous on back. Flowers green with purple-brown outside; whitish inside.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.23 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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

Stenostelma periglossoides world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77187225-1
WFO ID wfo-0001420997
COL ID 525CL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Schizoglossum periglossoides Stenostelma periglossoides