Rhododendron siderophyllum Franch.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs, 1–2(–4) m tall; young shoots brown, densely scaly. Petiole 5–15 mm, densely scaly; leaf blade elliptic or elliptic-lanceolate, 3–7(–11) × 1.2–3.5 cm; base cuneate or rounded; apex acuminate, acute or nearly obtuse; abaxial surface scales 0.5–2 × their own diameter apart, or contiguous small to mid-sized, all similar or slightly unequal, brown, concave; adaxial surface scales dense, concave, glabrous or rarely pubescent along midrib. Inflorescence terminal or subterminal, shortly racemose, 3–5-flowered; rachis 2–4 mm. Pedicel 0.3–1.3 cm, scaly; calyx rimlike or undulate and 5-lobed, densely scaly; corolla tubular funnelform-campanulate, white, pale red, pale purple or rosy red, inside with yellowish green, pale red or pinkish spots or without spots, 1.6–3 cm, outer surface not scaly or sparsely scaly on lobes; stamens unequal, long ones longer than corolla; filaments pubescent or nearly glabrous at base; ovary 5-locular, densely scaly; style longer than corolla, usually glabrous, rarely pubescent at base. Capsule cylindric, 11–16 mm. Fl. Mar–Jun.
More
A shrub. It grows 1-2 m tall. The young shoots are brown and densely scaly. The leaves are narrowly oval and 3-7 cm long by 2-4 cm wide. The base is rounded or wedge shaped and it tapers to the tip. The flowers are tube shaped and white, pale red or purple. They are often yellowish green inside.
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 -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It grows in mixed and conifer forests between 1,800-3,000 m above sea level. In Sichuan and Yunnan. In Rhodo gardens.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

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 siderophyllum unspecified picture

Distribution

Rhododendron siderophyllum world distribution map, present in China, Iceland, and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:333352-1
WFO ID wfo-0001048090
COL ID 4SGV5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Rhododendron siderophyllum Rhododendron rubropunctatum Rhododendron leucandrum Rhododendron jahandiezii Rhododendron ioanthum Rhododendron obscurum