Rhododendron pronum Tagg & Forrest

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Prostrate shrubs, 0.1–0.5 m tall; bud scales persistent. Petiole ca. 5 mm, glabrous; leaf blade thickly leathery, oblong-elliptic to oblanceolate, 3–6.5 × 1–2 cm; base cuneate; margin strongly revolute; apex obtuse to acute with small and downward curved sharp point; abaxial surface with indumentum 2-layered, upper layer dark gray to fawn, thick and loose, woolly, hairs branched, lower layer compacted and gray-white; adaxial surface slightly rugulose, glabrous. Inflorescence racemose-umbellate, 6–12-flowered, surrounded by persistent perulae and bracts; rachis ca. 3 mm. Pedicel 1.5–2.5 cm, sparsely floccose or glabrescent; calyx lobes 5, ca. 2 mm, obtusely triangular, glabrous or sparsely floccose; corolla campanulate, pale yellow to creamy-white, with deep crimson spots on corolla tube on upper lobes, 3–3.5 × ca. 3.5 cm; lobes 5, slightly unequal, subrounded; stamens 10, filaments glabrous; ovary and style glabrous; style shorter than corolla, glabrous; stigma discoid. Capsule cylindric, blackish, ca. 10 × 4–5 mm, glabrous. Fl. Jun, fr. Sep–Oct.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.5
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) -

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 pronum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:333143-1
WFO ID wfo-0001048874
COL ID 4SGMV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron pronum