Rhododendron odoriferum
Billeder af Rhododendron odoriferum
Beskrivelse
R. maddenii ssp. crassum / R. odoriferum (Maddenia). En busk der blomstrer i maj med hvide blomster der er kraftig duftende. Vokser i S. Tibet. Ikke hårdfør i Danmark.
Hans Eiberg
Flora of China, R. maddenii ssp. crassum
R. maddenii subsp. crassum (Franchet) Cullen, Notes Roy. Bot. Gard. Edinburgh. 36: 107. 1978.
Rhododendron crassum Franchet, Bull. Soc. Bot. France 34: 282. 1887; R. chapaense Dop; R. odoriferum Hutchinson.
Leaf blade elliptic to elliptic-lanceolate, (4–)5.5–8 cm wide. Filaments often pubescent. Capsule ellipsoid, 20–35 × 12–15 mm.
Dry secondary forests, Tsuga–Rhododendron thickets, shrubby slopes; (1500–)2600–3200 m. S Xizang, N and W Yunnan [N India (Manipur), NE Myanmar, Thailand, N Vietnam].
Flora of China, R. maddenii
R. maddenii J. D. Hooker, Rhododendr. Sikkim-Himalaya. 2: t. 18. 1851 [“maddeni”].
Shrubs or small trees, 3–6 m tall; branches many; young shoots brownish scaly. Petiole grooved, 5–10 mm; leaf blade leathery, lanceolate, oblong-oblanceolate, or elliptic, 5–15(–18) × 2–8 cm; base cuneate; apex acute or obtuse; abaxial surface scales dense, reddish brown; adaxial surface scales present in young leaves, glabrescent. Inflorescence 3–5-flowered. Flowers fragrant. Pedicel 1.3–1.5 cm; calyx lobes 3–5 mm, orbicular or oblong, scaly; corolla funnelform, white, (3.5–)6–8.5(–10) cm; tube (20–)30–50(–60) mm; outer surface scaly; stamens 15–25, filaments glabrous or pubescent; ovary 10–12-locular; style exserted, upper 1/3 with scales; stigma large, discoid. Capsule ovoid or ellipsoid, 10–35 × 10–15 mm. Fr. Aug.
Forests, Tsuga–Rhododendron thickets, scrub, river valleys; (1500–)2600–3200 m. S Xizang, N and W Yunnan [Bhutan, N India, NE Myanmar, Sikkim, Thailand, N Vietnam].