Epilobium williamsii P.H.Raven

Species

Angiosperms > Myrtales > Onagraceae > Epilobium

Characteristics

Herbs perennial, clumped or matted, with fleshy, elongated soboles 1.5-7 cm that leave brown basal scales. Stems 4-17(-25) cm tall, usually branched from base or simple, strigillose and glandular above, subglabrous or sparsely strigillose below with faint raised strigillose lines decurrent from margins of petioles. Leaves crowded, subleathery, sessile or petioles to 2 mm; cauline blade ovate to elliptic-ovate, 0.7-2.2 × 0.3-1 cm, subglabrous except for sparsely strigillose margin and midvein, base subrounded to broadly cuneate or subcordate, margin serrulate with 6-18(-26) teeth per side, apex acute to subacuminate. Inflorescence and flowers nodding to suberect. Sepals 3-4.5 mm. Petals rose-purple, 5-6.5 mm. Stigma capitate, entire. Capsules 3.5-5(-6) cm, sparsely strigillose; pedicels 4-10 mm. Seeds gray-brown, 0.9-1(-1.2) mm, finely papillose, with short chalazal collar; coma white, detaching easily. Fl. Jul-Aug, fr. Aug-Sep. Chromosome number unknown.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.04 - 0.17
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 30
Germination temperacture (C°) 10 - 15
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Epilobium williamsii world distribution map, present in Bhutan, China, India, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:612442-1
WFO ID wfo-0000669935
COL ID 6G4P8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Epilobium williamsii