Rhododendron yunnanense Franch.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs, rarely small trees, deciduous, semievergreen or evergreen, 1–2(–4) m tall; old branches glabrous; young shoots sparsely scaly, otherwise glabrous or pubescent. Petiole 3–7 mm, sparsely scaly, pubescent or sometimes hispid; leaf blade oblong, lanceolate, oblong-lanceolate or obovate, 2.5–7 × 0.8–3 cm; base narrow to cuneate; apex acuminate or acute, apiculate; abaxial surface green or gray green, scales 2–6 × their own diameter unequal; adaxial surface not or sparsely scaly, sometimes pubescent along midrib. Inflorescence terminal or subterminal, shortly racemose or umbellate, 3–6-flowered; rachis 2–3 mm. Pedicel 0.5–2(–3) cm, not or sparsely scaly; calyx rimlike or 5-lobed, 0.5–1 mm, scaly or not; corolla broadly funnelform-campanulate, white, pale red or pale purplish, inside with red, brownish red, yellow or yellowish green spots, 1.8–3.5 cm, outer surface sparsely scaly or not; stamens unequal, long ones longer than corolla; filaments ± pubescent below; ovary 5-locular, densely scaly; style longer than corolla, glabrous. Capsule cylindric, 6–20 mm. Fl. Apr–Jun.
More
A shrub or small tree. It sometimes loses its leaves. It grows 1-2 m tall. The leaves are oval and 3-7 cm long by 1-3 cm wide. The base is narrow. They are grey-green underneath. The flowers are in groups of 3-6 at or near the ends of branches. They are funnel shaped and white, pale red or pale purple and red or yellow inside.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) 2.5 - 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.6
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It grows in mixed forests on slopes between 2,200-3,600 m above sea level. In Yunnan. In Rhodo gardens.
Light 4-8
Soil humidity 3-5
Soil texture -
Soil acidity 2-4
Soil nutriment -
Hardiness (USDA) 7-9

Usage

The fresh young flowers are eaten as a snack.
Uses environmental use gene source medicinal
Edible flowers
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°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rhododendron yunnanense unspecified picture

Distribution

Rhododendron yunnanense world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:333632-1
WFO ID wfo-0001048096
COL ID 4SH78
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Rhododendron chartophyllum f. praecox Rhododendron yunnanense Rhododendron chartophyllum Rhododendron hormophorum Rhododendron aechmophyllum Rhododendron suberosum Rhododendron pleistanthum Rhododendron bodinieri Rhododendron seguinii Rhododendron shaanxiense