Rhododendron praeteritum Hutch.

Species

Angiosperms > Ericales > Ericaceae > Rhododendron

Characteristics

Shrubs; young shoots green, sparsely tomentose. Petiole stout, 10–20 mm, floccose at first, soon glabrous; leaf blade leathery, obovate-oblong to oblong-elliptic, 6.5–8.5 × 3.1–4.5 cm; base rounded or truncate; margin revolute; apex obtuse or rounded, apiculate; abaxial surface pale green, glabrous at maturity except for sparse loose hairs on the prominent midrib; adaxial surface deep green, slightly rugose, midrib grooved adaxially, lateral veins 12–16-paired, glabrous. Inflorescence racemose-umbellate, 7–10-flowered; rachis ca. 15 mm, puberulent. Pedicel 1.8–2 cm, pubescent when young, soon glabrous; calyx 1–1.4 mm, glabrous outside; corolla open-campanulate, pale pink, with purple flecks, 2–4 cm, 5 nectar pouches at base; stamens 10, unequal, 1.2–3.5 cm, filaments pubescent at base; ovary ovoid, ca. 4 × 2.5 mm, glabrous or hirsute; style ca. 1.2 cm, glabrous; stigma capitate, small, oblong-ovoid, ca. 1.5 cm. Fl. May, fr. Sep.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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) 5-10

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 praeteritum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:333127-1
WFO ID wfo-0001229333
COL ID 4SGMD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhododendron praeteritum Rhododendron praeteritum var. praeteritum