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Thesium racemosum Bernh. ex Krauss

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

Rootstock knotted; stems several, simple or subsimple, suberect, conspicuously angular, glabrous; leaves linear or linear-lanceolate, subacute, 3-5 lin. long, about 3/4 lin. broad, flat, 1-nerved, with narrowly cartilaginous margins, glabrous; inflorescence racemose, bracteate; bracts slightly adnate to the peduncle, linear-lanceolate, very acute, slightly keeled, longer than the flowers; peduncle up to 1 lin. long; bracteoles 2, about 1 lin. long, usually shorter than the flowers; perianth 1 1/4 lin. long, with conspicuous external glands; segments ovate or lanceolate, subacute, 1 1/4-1 1/2 lin. long, hooded, with incurved slightly papillose margins; anthers about 1/4 lin. long, on short filaments; style 1/2-3/4 lin. long, thick, tapering, reaching to the middle of the anthers; fruits not seen.
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Perennial herb or dwarf shrub, 0.05-0.45 m high; glabrous, without spines. Stems erect, stiff, several, simple, conspicuously angular, glabrous. Leaves herbaceous; blade linear or narrowly linear-ovate, 6-10 x 1.5 mm, apex subacute, 1-nerved; margins narrowly cartilaginous. Flowers: sessile, solitary in axils of bracts in racemes; bracts slightly adnate to peduncle, narrowly linear-ovate, apices very acute, longer than flowers; perianth with prominent tube, not bearded, 2.6 mm long with conspicuous external glands, segments ovate or narrowly ovate, apices subacute, hooded, margins incurved, slightly papillose; greenish white; Nov.-Jan. Fruit ± 2 mm long.
Erect, glabrous, many-stemmed herb, up to 400 mm tall. Leaves herbaceous. Flowers with well-marked perianth tube, sessile. Flowers greenish white.
Life form perennial
Growth form herb
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.23 - 0.43
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 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 -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:781063-1
WFO ID wfo-0001134436
COL ID 56FMG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thesium racemosum Linosyris racemosa
WorldFloraDB 2024