Thesium hirsutum A.W.Hill

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

Root-stock rather slender, branched; stems fairly numerous, subsimple, erect, slightly angular, rather densely puberulous; leaves linear, with a very acute cartilaginous apex, flattened, 3-6 lin. long, 1-nerved, fleshy, scabrid-puberulous on the margin; flowers arranged in bracteate racemes, solitary in the axils of the bracts; peduncles 1/2-1 1/4 lin. long; bracts adnate to the peduncle up to the base of the flower, usually much longer than (but sometimes equalling) the latter, leaf-like, often puberulous on the midrib as well as the margins; bracteoles arising from the base of the bract, mostly slightly longer than the flower, a little narrower than (but other-wise similar to) the bracts; flowers about 2 lin. long; perianth about 1 1/2 lin. long, with conspicuous external glands; segments 1 lin. long, hooded, glabrous; anthers 1/3 lin. long, slightly exserted from the perianth-tube; style 3/4-1 lin. long, reaching to above the tops of the anthers; fruits broadly ellipsoid, 3 lin. long including the persistent perianth, about 10-ribbed, prominently reticulate between the ribs.
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Dwarf shrub, hemiparasite, 0.05-0.15 m high; rootstock slender, branched; stems many, arcuate-ascending, pubescence of short, straight, bulbous-based hairs with obtuse apices. Leaves linear, apices with white, sharp points. Inflorescences with solitary flowers in axils of bracts on short peduncles, arranged in racemes. Bracts adnate to peduncles, leaf-like. Flowers yellowish. Perianth with conspicuous external glands; tube ± 1 mm long; segments 2 mm long, hooded. Flowering time Oct.-Jan.? Fruit with stalk 5-ribbed, ± 1 mm long; broadly ellipsoid ± 6 mm long, including persistent calyx; 10-ribbed, reticulate between ribs.
Dwarf shrub, 0.05-0.15 m high; hairy, without spines. Stems many, arcuate-ascending; densely puberulous. Leaves linear, apex sharp, whitish, acute, cartilaginous. Flowers: solitary in axils of bracts on short peduncles, in racemes; bracts leaf-like; perianth not bearded, with conspicuous external glands, tube ± 1 mm long, segments 2 mm long, hooded, brownish yellow; Oct.-Dec. Fruit broadly ellipsoid, ± 6 mm long, ribbed, reticulate between ribs.
Small, densely puberulous herb up to 100 mm tall. Leaves linear, with very acute cartilaginous apex. Flowers solitary in axils of bracts; brownish yellow.
Life form -
Growth form
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
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Mature height (meter) 0.05 - 0.15
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Environment

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

Usage

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Edible -
Therapeutic use -
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Cultivation

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Distribution

Thesium hirsutum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:780880-1
WFO ID wfo-0001134376
COL ID 56FFB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thesium hirsutum