Thesium wilczekianum Lawalrée

Species

Angiosperms > Santalales > Santalaceae > Thesium

Characteristics

Perennial herb with a small woody caudex; stems c. 4–7 from crown, c. 450–700 mm tall, 1–2.5 mm diameter at base, sometimes simple, usually laxly branched above, branches sharply ascending, strongly ribbed by raised vascular strands terminating in midribs of scale leaves, distantly leafy.
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Perianth creamy-coloured inside, brownish-orange outside, tube 0.8–1 mm long, 5 very conspicuous white tooth-like glands 0.3–0.7 mm long alternating with the lobes; lobes 2.1–2.6 × 0.5–0.6 mm, linear-lanceolate, subacute, hood c. 0.4 mm long, margins inflexed, densely white-fimbriate.
Bracts and bracteoles c. 2.5–3 × 1–1.5 mm, ovate-acuminate, margins membranous, minutely erose-ciliate, outermost keeled by strongly raised midrib, sometimes 3 only (as in type), often 4–6 forming an involucre below each flower.
Leaves all reduced to scales, c. 1.5–2 × 1–1.2 mm, increasing in size upwards and passing into floral bracts, lanceolate, acuminate, closely appressed, midrib strongly raised on dorsal surface.
Flowers in long lax spikes of either apparently solitary flowers (buds sometimes hidden in bract axils) or very short densely crowded brachyblasts carrying 3–6 flowers.
Stamens inserted at base of perianth lobes; filaments conspicuous, 1.3–1.8 mm long, very briefly adnate to lobe; anthers 0.5–0.7 mm long.
Fruit 2–2.5 × 2–2.1 mm (slightly immature?), red-brown, very strongly ribbed, very weakly reticulate.
Style 2.3–3 mm long; stigma reaching top of anthers.
Pedicels wanting.
Life form perennial
Growth form herb
Growth support parasite
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
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Mature height (meter) 0.45 - 0.7
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Nitrogen fixer -
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Environment

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Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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Distribution

Thesium wilczekianum world distribution map, present in Angola

Identifiers

LSID urn:lsid:ipni.org:names:907182-1
WFO ID wfo-0001134576
COL ID 56FRM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thesium wilczekianum