Rhododendron pachytrichum Franch.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs, 1.5–5 m tall; older branches glabrous; young shoots tomentose. Petiole 15–20 mm, tomentose and glandular-hairy, rapidly glabrescent; leaf blade leathery or subleathery, oblong-elliptic or oblanceolate to obovate, 5–14 × 2–4.5 cm; base cuneate or rounded; margin ciliate when young; apex obtuse to acuminate, sometimes cuspidate; abaxial surface hairs short-branched; adaxial surface green, glabrous, midrib prominent abaxially, floccose-tomentose, grooved adaxially; lateral veins 14–19-paired. Inflorescence racemose-umbellate, 7–10-flowered; rachis 15–20 mm, pubescent. Pedicel 1–1.5 cm, tomentose; calyx teeth 5, ca. 2 mm, triangular; corolla campanulate, white to pink, with deep purple basal blotch, 3–4.5 cm, lobes 5, suborbicular, 1–1.5 × 1.3–2 cm, emarginate; stamens 10, unequal, 2–2.5 cm; filaments pubescent at base; ovary conoid, ca. 7 mm; ovary densely rufous-tomentose; style 2–4.5 cm, glabrous. Capsule 15–26 × 4–5 mm, ferruginous-tomentose or glabrescent. Fl. May–Jun, fr. Aug–Sep.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 5.0
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) 7-9

Usage

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

Cultivation

Mode -
Germination duration (days) 50 - 90
Germination temperacture (C°) 12 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rhododendron pachytrichum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:333031-1
WFO ID wfo-0001229388
COL ID 4SGJF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron pachytrichum Rhododendron pachytrichum var. pachytrichum