Helichrysum meyeri-johannis Engl.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial rosette herb, stoloniferous, the flowering stems to 65 cm high; stems pale-tomentose, with appressed leaves.. Leaves of two kinds: rosette leaves narrowly obovate or spatulate, 2–6 cm long, 0.7–2(–3) cm wide, base semi-amplexicaul, margins entire and sometimes revolute, apex acute and mucronate, thinly tomentose and sometimes scabrid above, pale-tomentose beneath; stem leaves lanceolate, 1–4 cm long, 0.3–0.7(–1) cm wide, otherwise similar to rosette leaves.. Capitula 15–24 mm long, heterogamous, solitary or up to 3(–6; also see note) together in corymbs; stalks of individual capitula up to 5 mm long; phyllaries white, pink and white, pink or carmine red, multiseriate, lanceolate, 3–18 mm long, acute, glabrous, often with a dark spot of colour proximally; receptacle honeycombed.. Florets yellow, many (several hundred); outer florets relatively few, tube filiform from a slightly widened base, 2.1–2.6 mm long, lobes 0.2–0.4 mm long, style 2.7–3.2 mm long; inner florets many, tube cylindrical, 2.5–3 mm long, lobes 0.3–0.4 mm long and glandular, anthers 1.4–1.5 mm long, style 2.8–3.4 mm long.. Achenes ellipsoid, 0.8–1 mm long, glabrous; pappus white, 2.5–4 mm long, distally subplumose, caducous individually.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.65
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 -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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 meyeri-johannis world distribution map, present in Kenya, Tanzania, United Republic of, and Uganda

Identifiers

LSID urn:lsid:ipni.org:names:213033-1
WFO ID wfo-0000016763
COL ID 3K6Y8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum hoffmannianum Helichrysum meyeri-johannis Helichrysum adenocarpum var. alpinum