Rhododendron primuliflorum Bureau & Franch.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Small shrubs, 0.3–1(–2.5) m tall; branchlets short, thin, twiggy, densely scaly, setose; bud scales deciduous. Petiole ca. 2.4(–5) mm, scaly; leaf blade aromatic, oblong, oblong-elliptic, or ovate-oblong, (0.8–)2–2.5(–3.5) × (0.5–)0.8–1(–1.5) cm; base tapering; margin with or without strap-shaped bristles; apex obtuse, mucronate; abaxial surface scales overlapping, pale yellowish brown or brown, arranged in 2–3 tiers, the lowermost tier paler than rest; adaxial surface dark green, shiny, scales present or absent. Inflorescence 5–8-flowered. Pedicel 0.2–0.4 cm, scaly; calyx lobes 3–5(–6) mm, oblong, lanceolate or oblong-ovate, persisting to enclose mature capsule, usually scaly, margin ciliate or not; corolla narrowly tubular-funnelform, white with yellow tube, rarely rose or entirely pink, 1.2–1.9 cm, tube 6–10(–12) mm, outer surface usually glabrous, more rarely sparsely pilose or somewhat scaly, throat densely pilose, lobes spreading; stamens 5(or 6), included in corolla tube, filaments glabrous; ovary ca. 1 mm, scaly; style turbinate, nearly as long as ovary. Capsule ovoid-cylindric, 4–5 mm, densely scaly. Fl. May–Jun, fr. Jul–Sep.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0 - 1.5
Mature height (meter) 1.0 - 1.5
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 4-6
Soil humidity -
Soil texture -
Soil acidity 2-4
Soil nutriment -
Hardiness (USDA) 6-9

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
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 primuliflorum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:333134-1
WFO ID wfo-0001048917
COL ID 4SGML
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Rhododendron cremnophilum Rhododendron gymnomiscum Rhododendron tsarongense Rhododendron acraium Rhododendron clivicolum Rhododendron primuliflorum Rhododendron primuliflorum var. primuliflorum

Lower taxons

Rhododendron primuliflorum var. cephalanthoides