Thesium virens E.Mey. ex A.Dc.

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

Stems very slender and probably trailing, finely grooved, glabrous; branches sparingly leafy, very slender; leaves linear, 1/2-1 in. long, very acute and cartilaginous at the apex, nearly flat glabrous; flowers subsolitary, subtended by a bract and two bracteoles; bract adnate to the peduncle right up to the base of flower, equalling or up to twice the length of the flower, linear, subterete, acute, up to 1/2 in. long, glabrous; bracteoles as long as or longer than the flower, similar to the bract; flower nearly 2 lin. long, slender; perianth 1 1/4 lin. long, glabrous; segments linear-lanceolate, 1/2 lin. long, hooded, margin incurved; anthers exserted, 1/8 lin. long; style 1 lin. long, reaching to the top of the anthers; fruit oblong-ellipsoid, about 2 lin. long including the persistent perianth, prominently 10-ribbed, prominently reticulate between the ribs.
More
Perennial herb, 0.1-0.3 m high; glabrous, without spines. Stems slender, trailing; branches straggling, sparsely leafy. Leaves linear, up to 22 mm long, apex acute, cartilaginous, glabrous. Flowers: solitary, subtended by a bract and bracteoles; bracts adnate to peduncle, equalling or up to twice as long as flower, linear, glabrous; perianth with prominent tube, not bearded, ± 2.5 mm long, glabrous, segments narrowly linear-ovate, 1 mm long, hooded, margins incurved, white; Dec. Fruit oblong-ellipsoid, ± 4 mm long, prominently ribbed, reticulate between ribs.
Hemiparasitic, dwarf shrub, 0.1-0.3 m high; stems and branches slender, trailing. Leaves linear, up to 22 mm long, apices acute. Bracts leaf-like, adnate to peduncle, up to base of flower. Flowers subsolitary, white. Perianth ± 2.5 mm long; segments linear-lanceolate, 1 mm long, hooded, margins incurved. Flowering time Dec.? Fruit oblong-ellipsoid, ± 4 mm long, including persistent perianth; 10-ribbed, reticulate between ribs.
Life form perennial
Growth form herb
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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 virens world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:781183-1
WFO ID wfo-0001134469
COL ID 56FR8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thesium virens Linosyris virens