Leucadendron singulare I.Williams

Species

Angiosperms > Proteales > Proteaceae > Leucadendron

Characteristics

Shrubs up to 30 cm, decumbent and spreading over rocks. Branche short, slender, short-adpressed-pubescent when young. Leaves about 1.6 c long and 2.5 mm broad, oblanceolate-linear, narrowing somewhat towards th base, with a small blunt mucro at the subacute apex, covered on all sides by short and dense adpressed-pubescence. Involucral leaves similar to the ste leaves, not coloured but somewhat more crowded, not concealing the head. Male inflorescence 1.2 cm diam., globose, solitary, terminal. Bas bracts 4 mm long, 2.5 mm broad, about 76 cm number, broadly lanceolat acute, ciliate, short-pubescent. Floral bracts 3 mm long, and 1 mm broa lanceolate, acute, ciliate and tufted with hairs at the apex. Floral bud 4.5 m long, densely pubescent above, bent and glabrous at the base. Perianth tub 1.5 mm long, almost glabrous. Claw 2 mm long, densely pubescent, recurve 90°. Limb 1.5 mm long, densely pubescent. Anthers 1 mm long. Abortive stigma 0.8 mm long, clavate, minutely bifid, acting as a pollen presenter. Style 3.5 mm long, narrower and glabrous above, densely pubescent below. Hypogynous scales 1 mm long, acicular. Receptacle 4 mm diam., globose. Pollen triangular in polar view with sides 32 µ long, height of polar axis 20p. Female inflorescence 14 mm long and 18 mm diam., solitary, terminal, globose. Basal bracts similar to the male but the innermost becoming broader. Floral bracts 5 mm long and 6.5 mm broad, broadly oval, apiculate, pubescent, long-ciliate. Floral bud absent. Perianth tube 4 mm long, pubescent above, glabrous and divided below. Claw 2 mm long, pubescent. Limb 1 mm long, pubescent. Staminode 0.7 mm long. Ovary 1 mm long, ovoid, pubescent. Style 4 mm long, glabrous. Stigma 0.5 mm diam., truncate, terminal. Hypogynous scales 2 mm long, acicular. Receptacle 5 mm diam., globose. Mature female head a cone 17 mm diam., globose, pubescent, dehiscent. Fruit a nutlet 4.5 mm long, 3.5 mm broad, obovoid, sparsely short-pubescent.
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Spreading shrublet to 30 cm. Leaves linear-oblanceolate, adpressed, silvery hairy, ± 16 mm long, involucral leaves larger. Male flower heads ± 12 mm diam., female ± 18 mm diam.
Life form -
Growth form shrub
Growth support free-standing
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Sexuality dioecy
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Mature height (meter) 0.3
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Environment

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Soil texture 6-9
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Usage

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Edible -
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Cultivation

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Images

Leucadendron singulare unspecified picture

Distribution

Leucadendron singulare world distribution map, present in South Africa

Conservation status

Leucadendron singulare threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:704943-1
WFO ID wfo-0001107032
COL ID 6Q4KW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Leucadendron singulare