Thesium pallidum A.Dc.

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

Stems few, from an erect and rather slender rootstock, leather closely sulcate, glabrous, branched in the upper part; branches erect, angular; leaves linear, obtuse, 3/4-1 1/2 in. long, 2/3 lin. broad, rather coarsely verrucose, somewhat fleshy, glabrous; inflorescence several-flowered, terminating the branches; bracts adnate to the peduncle for half their length, leaf-like, those near the flowers acute and longer than the flowers; peduncle equalling the bracts, glabrous; bracteoles 2, shorter than the flowers, lanceolate, subacute; perianth 3/4-1 lin. long; segments 1/2-2/3 lin. long, broadly ovate, hooded, margins slightly fringed, incurved, membranous; anthers exserted from the perianth-tube, slightly pendulous, about 1/4 lin. long; style 1/4-1/3 lin. long, stout; stigma capitate, reaching to the middle of the anthers; fruit ellipsoid, narrowed to the base, capped by the persistent erect perianth-segments, 2 1/2 lin. long, 1 1/4 lin. in diam., very prominently 10-ribbed, coarsely reticulate between the ribs, slightly shining.
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Hemiparasitic shrub, 0.05-0.60 m high; from an erect rootstock, stems branched in upper part, closely sulcate. Leaves linear, 1.7-5.0 mm long, ± coarsely verrucose, somewhat fleshy, glabrous. Inflorescences of single or few-flowered cymes, arranged in loose, terminal panicles. Bracts leaf-like, adnate to peduncle for ± halfway. Flowers white, green-yellow. Perianth 1.5-2.0 mm long, tube present; segments broadly ovate, up to 1.3 mm long, hooded, margins slightly fringed, incurved, membranous. Flowering time Sept.-May. Fruit ellipsoid, up to 5 mm long, including persistent perianth; prominently 10-ribbed, reticulate between ribs.
Perennial herb, dwarf shrub or shrub, 0.05-0.60 m high. Stems few, erect, branched in upper part, closely sulcate, glabrous. Leaves somewhat fleshy; blade linear, 1.5-3.0 x 1.4 mm, coarsely verrucose. Flowers: in axillary cymules, arranged in many-flowered heads, spikes, racemes or panicles; bracts adnate to peduncle for half their length, leaf-like, longer than flowers; perianth not bearded, 1.5-2.0 mm long, segments 1.0-1.5 mm long, broadly ovate, hooded, margins slightly fringed, incurved, membranous, white; Oct.-Dec. Fruit ellipsoid, segments 5 mm long, prominently ribbed, coarsely reticulate, slightly shining.
Bushy herb, up to 400 mm tall. Stems slightly ribbed. Leaves and bracts rounded on back. Inflorescence several-flowered. Flowers white.
Life form perennial
Growth form herb
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 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 -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
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 -

Images

Thesium pallidum unspecified picture

Distribution

Thesium pallidum world distribution map, present in Lesotho, eSwatini, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:781016-1
WFO ID wfo-0001134416
COL ID 7C8M7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thesium pallidum Thesium floribundum Linosyris pallida