Rhododendron hookeri Nutt.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs or small trees, 1–4 m tall; young shoots glaucous becoming green, with a waxy farina, glabrous. Petiole cylindric, 15–20 mm, glabrous; leaf blade leathery, oblong-elliptic or obovate-elliptic, 8–12.5 × 3–5 cm; base rounded; apex obtuse or apiculate; abaxial surface glaucous, glabrous except for lateral veins with well-developed fasciculate hairs; adaxial surface green, glabrous; midrib prominently raised abaxially, flat adaxially; lateral veins 11–13-paired, slightly raised abaxially. Inflorescence racemose-umbellate, 10–15-flowered; rachis 10–25 mm, glabrous. Pedicel slender, 1–1.5 cm, glabrous; calyx membranous, pink; lobes 5, 5–7 mm, unequal in size, suborbicular, glabrous; corolla campanulate or tubular-campanulate, deep rose to crimson, 3.5–4 cm, base with 5 dark nectar pouches; lobes 5, suborbicular, emarginate; stamens 9 or 10, unequal, 2.5–3.5 cm, filaments glabrous; ovary cylindric-oval, ca. 5 mm; style glabrous. Capsule 20–25 mm, base enclosed by persistent calyx. Fl. Mar, fr. Jun.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 4.0
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) 8-8

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 -

Images

Rhododendron hookeri unspecified picture

Distribution

Rhododendron hookeri world distribution map, present in China and India

Identifiers

LSID urn:lsid:ipni.org:names:332589-1
WFO ID wfo-0001229708
COL ID 4SG36
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron hookeri