Helichrysum excisum Less.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Densely twiggy dwarf shrub up to 450 mm tall, very aromatic, old branches bare, rough with persistent leaf bases, twigs short, stiff, thinly grey-felted, closely leafy. Leaves suberect to spreading, 5-8 x 2-3 mm, thickish, spathulate, much narrowed to the base, very shortly decurrent, apex mucronate, recurved, both surfaces grey-felted. Heads homogamous, turbinate-cylindric, ±4 x 2.5 mm, few in terminal corymbose clusters, often further aggregated. Involucral bracts in 6 series, graded, imbricate, inner slightly exceeding the flowers, lanceolate, acute, tips squarrose, some woolly hairs dorsally on shafts, outer golden sometimes tinged golden-brown, inner bright canary-yellow. Receptacle smooth or very shortly toothed. Flowers 7-11. Achenes not seen, ovaries with myxogenic hairs. Pappus bristles many, scabrid, tips barbellate, bases cohering strongly by patent cilia.
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Twiggy, dwarf shrub, up to 0.45 m high, aromatic, old branches bare, twigs short, thinly grey-felted, closely leafy. Leaves suberect to spreading, ± thick, shortly decurrent, apex mucronate, both sides grey-felted. Capitula turbinate-cylindric, 4 x 2.5 mm, few in terminal, corymbose clusters; involucral bracts in 6 series, graded, inner lanceolate, acute, apex squarrose, outer golden. Receptacle smooth or very shortly toothed. Flowers 7-11. Flowering time Nov.-Feb. Pappus of many bristles, apex barbellate, bases cohering strongly by patent cilia.
Densely twiggy, closely leafy shrublet to 45 cm, grey-felted on young parts. Leaves imbricate, spathulate, hooked, grey-felted. Flower heads discoid, in terminal corymbs, narrowly top-shaped, yellow, ± 4 x 2.5 mm, involucral bracts recurved above, florets ± 10, ovary papillate-hairy.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45
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 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses -
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 excisum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212727-1
WFO ID wfo-0000040627
COL ID 3K6NN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gnaphalium excisum Helichrysum excisum