Helichrysum mechowianum Klatt

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial herb; rootstock woody, horizontal, crowned by woolly fibres; flowering stems and capitula developing before leaves, but persisting; erect flowering stems solitary or several, 3–50 cm high, simple or rarely branched once proximally, whitish-tomentose.. Radical leaves grey-green, (ob-)lanceolate, with a pseudopetiole 3–10 cm long, blade to 35 cm long and 11 cm wide, base cuneate, apex acute or apiculate, greyish-tomentellous on both surfaces, or glabrous and glandular; cauline leaves few, linear or narrowly lanceolate, sessile, 1–3 cm long, 0.2–0.8 cm wide, base auriculate, apex apiculate, villous to subglabrous above, tomentose beneath, or glabrous.. Capitula 5–10 mm long, homogamous, in dense glomerules united in a fairly dense terminal (sub-)globose corymb 2.5–9 cm in diameter; stalks of individual capitula 2–9 mm long; phyllaries brown to golden-yellow, sometimes with reddish tinge, 3–4-seriate, the outermost smallest, lanceolate, 2–8 mm long, the outer parts scarious, apex acute or acuminate, villous proximally (in outer); receptacle honeycombed.. Florets yellow, 6–30, all hermaphrodite, tube cylindrical becoming campanulate, tube 3–5 mm long, lobes 0.5–0.7 mm long, glandular-puberulous, anthers 1.6–2 mm long, style 4.6–6.6 mm long.. Achenes ellipsoid, 0.8–2 mm long, pubescent-glandular; pappus white or yellowish, 3.5–7 mm long, caducous in large groups.
More
A perennial herb with flowering scapes often branched at or below ground level, 3-8 in high, appearing before the leaves
Flower-heads about 1/3 in. long, numerous in a dense terminal cyme, rich yellow, often tinged red
Leaves in a rosette
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.35
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

In grassland, flowering after fires.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) 7 - 10
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Helichrysum mechowianum world distribution map, present in Angola, Cameroon, Congo, Malawi, Nigeria, Togo, and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:213026-1
WFO ID wfo-0000015772
COL ID 3K6Y2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum hoepfnerianum Helichrysum nanum Helichrysum mechowianum Helichrysum hoepfnerianum Helichrysum mechowianum var. mechowianum

Lower taxons

Helichrysum mechowianum var. ceres Helichrysum mechowianum var. vernonioides