Rhododendron sperabile Balf.F. & Farrer

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs, upright, 1–2 m tall, branches ca. 3.5 mm in diam. below inflorescence, with whitish stellate tomentum intermixed with setose-glands. Petiole 10–15 mm, densely whitish tomentose and setulose-glandular; leaf blade leathery, elliptic to lanceolate, or narrowly oblong, 6.7–11.5 × 1.5–3.5 cm; base obtuse to rounded; margin revolute; apex acute to rounded; abaxial surface epidermis glaucous-papillate, whitish to cinnamon continuously tomentose, hairs dendroid, glandular setae on midrib; adaxial surface green, whitish tomentose and glandular-hairy when young, glabrescent, midrib grooved adaxially, lateral veins 10–12-paired, deeply impressed adaxially. Inflorescence umbellate, 4-or 5-flowered; rachis 2–3 mm, tomentose. Pedicel 1–2 cm, whitish stellate-tomentose and setulose-glandular; calyx cupular; lobes 5, 1–3 mm, glandular-ciliate; corolla tubular-campanulate, fleshy, crimson, 3–3.7 cm, with 5 nectar pouches, glabrous; lobes 5, rounded, ca. 1.3 × 1.6 cm, emarginate; stamens 10, filaments glabrous; ovary conoid, tapering into style ca. 6 mm, densely tomentose and glandular-setulose; style glabrous. Capsule cylindric, curved, ca. 15 × 3.5 mm. Fl. Apr–May, fr. Oct–Nov.
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 - 2.0
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) 8-9

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 sperabile world distribution map, present in China and Myanmar

Identifiers

LSID urn:lsid:ipni.org:names:333384-1
WFO ID wfo-0001048875
COL ID 4SGW9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron sperabile Rhododendron sperabile var. sperabile