Rhododendron megacalyx Balf.F. & Kingdon-ward

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs or small trees, 1.5–3 m tall; old branches glabrous; young shoots stout, brownish purple, cylindric, densely scaly. Petiole shallowly grooved, 10–30 mm; leaf blade leathery, obovate-elliptic or elliptic, 10–17 × 2.5–7 cm; base narrowed; apex rounded, apiculate, sometimes slightly concave; abaxial surface pale white, scales dense, reddish brown, appressed; adaxial surface dark green, scales dense on young leaves, glabrescent. Inflorescence terminal, shortly racemose, 3–5-flowered. Flowers fragrant. Pedicel stout, 2.5–3 cm, glabrous; calyx campanulate, 5-lobed to middle, 20–30 mm, enlarging and persisting to enclose mature capsule, scales absent; corolla broadly funnelform, white, 6.5–9.5 cm; tube 50–60 mm; outer surface scaly on lobes, lobes suborbicular, ca. 3 cm wide; stamens 10, unequal, slightly shorter than corolla tube; filaments slender, lower part pubescent; ovary 5-locular, densely scaly; style slightly exserted; base sparsely scaly; stigma large, discoid. Capsule cylindric, ca. 20 mm. Fl. Apr–Jun.
More
A shrub or small tree. It grows 2-3 m tall. The young shoots are stout and brownish-purple. They are scaly. The leaves are narrowly oval and 10-17 cm long by 3-7 cm wide. They narrow to the base. The tip is rounded. They are pale white underneath. The flowers are in groups of 3-5 at the ends of branches. They have a scent.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.75 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It grows in evergreen broad-leaved forests between 2,200-3,000 m above sea level. In Yunnan.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

Uses -
Edible flowers
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 megacalyx unspecified picture

Distribution

Rhododendron megacalyx world distribution map, present in China, India, and Myanmar

Identifiers

LSID urn:lsid:ipni.org:names:332866-1
WFO ID wfo-0001048051
COL ID 4SGCM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron megacalyx