Rhododendron niveum Hook.F.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs or trees, 2–6 m tall; bark cinereous; older branches brownish, glabrescent; branches ca. 6 mm in diam. below inflorescence; young shoots grayish green, densely tomentose. Petiole 13–15 mm; leaf blade leathery, oblanceolate to elliptic, 8.5–11 × 3.6–4.6 cm; base tapering or rounded; margin revolute; apex obtuse or rounded, apiculate; abaxial surface with 1-layered indumentum densely compacted, fawn, glabrescent, hairs dendroid; adaxial surface of unfolding leaves scattered white floccose, at maturity glabrous except for traces of tomentum chiefly in groove of midrib; midrib prominent abaxially, grooved adaxially; lateral veins 11–16 on each side. Inflorescence spherical, dense, 15–20-flowered, rachis ca. 20 mm, fulvous tomentose. Pedicel ca. 1 cm, densely white-to rufous-tomentose; calyx teeth minute, 1–2 mm, tomentose; corolla tubular-campanulate, deep magenta to deep lilac, 3–3.5 cm, with 5 deep purple basal nectar pouches; stamens 10, unequal, 1.8–2.8 cm, filaments glabrous; ovary cylindric or oblong, ca. 6 mm, densely whitish to tawny-tomentose; style glabrous, stigma capitate, small. Capsule shortly cylindric, blunt, 15–18 mm, blackish, roughened with vestiges of tomentum. Fl. Apr–May, fr. Aug–Sep.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.5 - 4.5
Mature height (meter) 2.0 - 6.0
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 2-7
Soil texture -
Soil acidity 2-4
Soil nutriment -
Hardiness (USDA) 7-9

Usage

Uses environmental use
Edible -
Therapeutic use Antioxidants (leaf), Antidotes (whole plant excluding root), Apnea (whole plant excluding root), Hypotension (whole plant excluding root)
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 niveum unspecified picture

Distribution

Rhododendron niveum world distribution map, present in Bhutan, China, and India

Identifiers

LSID urn:lsid:ipni.org:names:332967-1
WFO ID wfo-0001229505
COL ID 4SGGF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Rhododendron niveum