Thesium acutissimum A.Dc.

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

Stems numerous and slender from a slender rootstock, finely sulcate, very minutely tuberculate; branches slender; leaves acicular, subterete or in the barren shoots flat and with a distinct midrib, acutely mucronate, up to 1/2 in. long, rather fleshy, glabrous, recurved; inflorescence 1-3-flowered; bract shortly adnate to the peduncle, flat on the upper surface, concave below, apex cartilaginous and acute; bracteoles longer than the flowers, similar to the bracts; perianth 3/4 lin. long; segments triangular, 1/2 lin. long, hooded, glabrous; anthers 1/8 lin. long; disc conspicuous; style 1/4 lin. long, reaching to the top of the anthers; fruits ellipsoid, capped by the persistent perianth, 1 3/4 lin. long, prominently 10-ribbed, conspicuously reticulate between the ribs.
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Sprawling, glaucous, hemiparasitic shrublet, up to 0.3 m high; stems many, with flexuose, often grey-glaucous branches. Leaves linear, up to 15 mm long, mucronate. Inflorescences 1-3-flowered. Bracts shortly adnate to peduncle. Flowers minute, white. Perianth with cylindric tube; segments triangular, ± 1 mm long, hooded. Disc conspicuous. Flowering time Sept.-Jan. Fruit ellipsoid, ± 3 mm long, including persistent perianth; ribbed, reticulate between ribs.
Herb, 0.3-0.5 m high; glaucous, without spines. Stems subprocumbent, slender, many, sprawling. Leaves ascending; blade narrowly linear, up to 15 mm long, apex acuminate, mucronate. Flowers: inflorescence 1-3-flowered; bracts adnate to peduncle; disc prominent; perianth with apical beard absent, without a prominent tube, segments triangular, ± 1 mm long, hooded, white; Sep.-Dec. Fruit ellipsoid, ± 3 mm long, ribbed, reticulate between ribs.
Slender herb, up to 200 mm tall. Leaves narrowly linear, acuminate, ascending. Flowers single, on terminal part of branches. Perianth segments glabrous. Flowers white.
Sprawling, hemiparasitic shrublet to 30 cm, with flexuose, often grey-glaucous branches. Leaves linear, mucronate. Flowers in simple racemes, minute, white.
Life form -
Growth form herb
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
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Mature height (meter) 0.3
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Environment

Light -
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Soil texture 7-8
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Hardiness (USDA) 9-12

Usage

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Edible -
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Animal toxicity -

Cultivation

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Distribution

Thesium acutissimum world distribution map, present in eSwatini and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:780686-1
WFO ID wfo-0001134310
COL ID 56F8V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Linosyris krebsii Linosyris acutissima Thesium acutissimum Thesium krebsii Thesium apiculatum