《中国植物志》|| 杜鹃花科 ERICACEAE ||髯花杜鹃组 Sect. Pogonanthum G. Don ||髯花杜鹃 Rhododendron anthopogon D. Don

158. 髯花杜鹃（中国高等植物图鉴）
Rhododendron anthopogon D. Don in Mem. Wern. Soc. 3: 409. 1821; Hook. in Curtis Bot. Mag. 68: t. 3947. 1842; Bean, Trees and Shrubs, 2: 341. 1915; Balf. f. in Not. Bot. Gard. Edinb. 9: 286. 1916, descr. ampl. ; Hutch. in Stevenson, Spec. Rhodod. 5. fig. a-f. 1930; Cowan et Davidian in R. H. S. Rhodod. Year Book, 2: 67. 1947; Hara, Fl. East. Himal. 236. 1966; 中国高等植物图鉴3: 73. 图4099. 1974; Cullen in Not. Bot. Gard. Edinb. 39: 158. 1980; Davidian, Rhodod. Spec. 1: 51. 1982; 西藏植物志671. 图269, 1-3. 1986. ——R. haemonium Balf. f. et Cooper in Not. Bot. Gard. Edinb. 9: 233. 1916.——R. anthopogon var. haemonium (Balf. f. et Cooper) Cowan et Davidian in R. H. S. Rhodod. Year Book, 2: 68. 1974.
常绿小灌木，高（30-）50-100（-150）厘米。常成匍匐状或平卧状。分枝细密而交错，疏具小刚毛，幼叶被棕褐色鳞片；叶芽鳞脱落。叶革质、芳香，倒卵状椭圆形或卵形，罕正圆形，长（1.5-）2.5-3.5（-4）厘米，宽1-1.6（-2.5）厘米，顶端圆钝，有短尖头，基部圆形，上面暗绿色，有光泽，常有疏鳞片，下面密被红褐色和深黄棕色鳞片，常重叠成2-3层；叶柄长3-8毫米，被鳞片。花序顶生，近伞形，有花4-6（-9）朵，花芽鳞宿存；花梗短，长2-4毫米，被鳞片；花萼发达，5深裂，裂片椭圆形或长圆形，长3-5（-6）毫米，被鳞片，边缘具密睫毛；花冠狭筒状漏斗形，长1.2-2厘米，粉红色或稍黄白色，外面光滑，无鳞片，花管长6-12毫米，内面密被髯毛，裂片开展；雄蕊（5）6-8（-10）枚，内藏于花管，花丝光滑；子房4-5室，长约1毫米，被鳞片，花柱短而粗，棍棒状，约与子房等长，光滑。蒴果卵球形，长3-5毫米，被鳞片，被包于宿存的花萼内。花期4-6月，果期7-8月。
产西藏南部。生于开阔的多石坡地、岩壁或高山桧灌丛中，海拔3 000-4 500（-5 000）米。不丹、锡金、尼泊尔、印度东北部、克什米尔地区也有分布。
叶芳香，在西藏寺院中常用作薰香；花可作药，当茶服，治气喘。

《Flora of China》|| Apiaceae || Rhododendron ||髯花杜鹃 Rhododendron anthopogon

164. Rhododendron anthopogon D. Don, Mem. Wern. Nat. Hist. Soc. 3: 409. 1821.

髯花杜鹃 ran hua du juan

Rhododendron anthopogon var. album Davidian.

Small shrubs, often prostrate or decumbent, (0.3–)0.5–1 (–1.5) m tall; branchlets loose, intricate, scaly, sparsely setose; bud scales deciduous. Petiole 3–8 mm, scaly; leaf blade aromatic, obovate-elliptic, ovate, rarely orbicular, (1.5–)2.5–3.5 (–4) × 1–1.6(–2.5) cm; base rounded; apex obtuse or rounded, mucronate; abaxial surface scales overlapping, dark reddish brown and dark yellow-brown, arranged in 2–3 tiers, often those of the lowest tier darker than rest; adaxial surface dark green, shiny, usually sparsely scaly. Inflorescence 4–6(–9)-flowered. Pedicel 0.2–0.4 cm, scaly; calyx lobes 3–5(–6) mm, elliptic or oblong, persisting to enclose mature capsule, scaly, margin densely ciliate; corolla narrowly tubular-funnelform, pink, or yellowish white, tube 6–12 mm, outer surface not scaly; inner surface densely pilose; lobes spreading, 1.2–2 cm; stamens (5–)6–8(–10), included in corolla tube, filaments glabrous; ovary ca. 1 mm, scaly; style short, thick, straight, as long as ovary, glabrous. Capsule ovoid, 3–5 mm, scaly. Fl. Apr–Jun, fr. Jul–Aug.

Thickets, open slopes, hillsides, cliff ledges; 3000–4500(–5000) m. S Xizang [Bhutan, N India, Nepal, Sikkim].