Dicerothamnus rhinocerotis (L.F.) Koek.

Species

Angiosperms > Asterales > Asteraceae > Dicerothamnus

Characteristics

Single or multi-stemmed, much branched, erect, often rigid shrubs, up to 1.8 m tall, with a general grey-green appearance. Main stem up to 50 mm diam. Branches up to 8 mm diam., older branches grey, with a flaky outer bark, younger branches profusely branched into fine flowering shoots, up to 1 mm diam., these branches sparsely or densely white-tomentose to a variable degree. Leaves persistent for ± 2 or 3 seasons, generally deltate, scale-like and closely adpressed, rarely overlapping, 1.5 x 0.5 mm, occasionally lanceolate, 2.0 x 0.5 mm, and spreading somewhat, exposing the woolly white-tomentose stems; very densely glandular, glands small and sessile, usually not visible under a matted layer of hair; hair often saturated by exudate and then sticky. Capitula homogamous, discoid, (2-or) 3-flowered, solitary or in groups of 2-4, terminal on flowering shoots, occasionally on short, closely spaced brachyblasts on the upper part of branches, brachyblasts up to 30 mm long, pendular with solitary terminal floret head. Receptacle conical, stalk-like. Involucral bracts ± 20, outermost scale-like and leafy, innermost lanceolate, up to 4 x 1 mm, chaffy, tips of innermost bracts rounded and slightly winged on the sides. Disc florets very dark plum-red, tube up to 3 mm long, lobes remaining straight at anthesis. Cypselas up to 2 mm long, often a dark plum-red colour, asymmetrical, abaxial side smooth, adaxial side with 3 or 4 ribs, annulus well-developed. Pappus setae 10-18, fused at the base, plumose almost from the base, plumes ascending, of even length, tufted at the tips.
More
Shrub, up to 1.8 m high, generally grey-green. Brachyblasts profusely branched into fine-flowering shoots. Leaves generally scale-like and closely appressed, 1.5 x 0.5 mm, very densely glandular under a matted layer of hairs. Capitula (2)3-flowered, solitary or in groups of 2-4; involucral bracts ± 20, innermost lanceolate, up to 4 x 1 mm, chaffy, apex of innermost bracts rounded and slightly winged on sides. Florets up to 3 mm long. Flowering time mainly in Mar.-June, occasionally in Feb., July, Aug. Pappus of 10-18 bristles. Cypselae up to 2 mm long, bilaterally symmetric, outer side smooth, inner side with 3 or 4 ribs.
Thinly grey-woolly, viscid shrub, up to 2 m tall, with short whip-like branches. Leaves scale-like, adpressed. Flowerheads discoid, few at tips of lateral branches, purple, mostly 3-flowered.
Thinly grey-woolly, viscid shrub to 2 m with short whip-like branches. Leaves scale-like, adpressed. Flower heads discoid, few at tips of lateral branches, purple, mostly 3-flowered.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-4
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses animal food 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

Dicerothamnus rhinocerotis world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77197864-1
WFO ID wfo-0000088375
COL ID 7VHG6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dicerothamnus rhinocerotis