Rhododendron lacteum Franch.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs or small trees, 2–8 m tall; leaf scars conspicuous; branchlets stout, glabrous. Petiole 20–30 mm, floccose, glabrescent; leaf blade thickly leathery, broadly elliptic to obovate-elliptic, 8–17 × 6–8 cm; base rounded to subcordate; margin somewhat undulate; apex obtuse and apiculate; abaxial surface fawn to gray-tawny, indumentum thin, 1-layered, compacted, hairs radiate; adaxial surface green, glabrous. Inflorescence racemose-umbellate, 15–30-flowered; rachis 20–30 mm, sparsely floccose. Pedicel 2–3 cm, floccose, glabrescent; calyx lobes 5, 1–1.5 mm, triangular, sparsely puberulent outside, margin ciliate; corolla widely campanulate, pure yellow, unspotted, sometimes with purple basal blotch, 3.5–4.5 cm; lobes 5, ca. 1.5 cm; stamens 10, unequal, shorter than corolla, filaments densely puberulent at base; ovary 5–6 mm, densely pale brown-tomentose; style green, ca. 2.5 cm, glabrous. Capsule oblong-cylindric, slightly curved, 20–30 × ca. 5 mm, hairy. Fl. Apr–May, fr. Sep–Oct.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 4.0 - 8.0
Mature height (meter) 2.0 - 8.0
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 4-6
Soil humidity -
Soil texture -
Soil acidity 2-4
Soil nutriment -
Hardiness (USDA) 7-9

Usage

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

Cultivation

Can be grown by cuttings, graftings or seedlings.
Mode cuttings graftings seedlings
Germination duration (days) 50 - 90
Germination temperacture (C°) 12 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rhododendron lacteum unspecified picture

Distribution

Rhododendron lacteum world distribution map, present in China

Conservation status

Rhododendron lacteum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:332704-1
WFO ID wfo-0001048895
COL ID 4SG6Z
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron lacteum Rhododendron mairei