Thesium zeyheri A.Dc.

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

A subshrub, more or less prostrate, much-branched; main stem stout and knotty; branches short, crowded, closely grooved, with sharp scabrous ridges; leaves linear, flat on the upper surfaces, with slightly recurved subacute tips, 3-5 lin. long, keeled, with scabrous keel and margins; flowers single and terminal or 2-5 in a fairly lax terminal cyme; bracts shorter than the flowers, linear, acute, 1-2 lin. long, keeled, with scabrous margins; bracteoles sometimes slightly longer than the bracts, otherwise similar to them; perianth 2-2 1/4 lin. long; segments linear-lanceolate, subacute, 1 1/2 lin. long, densely hairy within the apex; anthers partly exserted from the perianth-tube, 1/2 lin. long; style 1 1/8 lin. long, reaching nearly to the top of the anthers; fruits oblong, 3 lin. long, prominently 10-ribbed, conspicuously reticulate between the ribs, green when dry.
More
Much-branched, prostrate, hemiparasitic, dwarf shrub, 0.3-0.5 m high; stem stout, knotty. Leaves linear, up to 10 mm long, strongly keeled below, margins papillate and scabrous. Inflorescences terminal. Flowers solitary or 2-5 in lax cymes. Bracts linear, shorter than flowers. Flowers white. Perianth up to 4.5 mm long; segments subacute ± 3 mm long. Flowering time Oct.? Fruit oblong, ± 6 mm long, including beaklike persistent perianth; prominently 10-ribbed, reticulate between ribs.
Dwarf shrub. Stems procumbent, much branched; main stem stout, knotty; branches short, crowded. Leaves linear, up to 10 mm long, lower surface strongly keeled, margins papillate and scabrous. Flowers: solitary or in groups of 2 or 3 at ends of branches; perianth segments with dense, apical beard of stiff or woolly hairs, white; Mar. Fruit oblong, ± 6 mm long, including beak-like, persistent perianth, prominently ribbed, reticulate between ribs.
Half-woody shrublet. Flowers longer than 4 mm, style longer than 2 mm. Perianth segments with dense apical beard of stiff or woolly hairs. Anthers exserted. Flowers white.
Life form -
Growth form shrub
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.5
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 -
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

Thesium zeyheri world distribution map, present in Namibia and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:781198-1
WFO ID wfo-0001134475
COL ID 56FRQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thesium longirostre Linosyris zeyheri Thesium zeyheri Thesium schlechteri Thesium transgariepinum