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秀雅杜鹃Rhododendron concinnum

时间:2013-09-09 11:38来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 秀雅杜鹃 学名( Scientific Name ): Rhododendron concinnum Hemsl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Rhododendron concinnum var. benthamianum (Hemsl.) Davidian
中文名(Chinese Name):秀雅杜鹃
学名(Scientific Name):Rhododendron concinnum Hemsl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Rhododendron concinnum var. benthamianum (Hemsl.) Davidian  Rhododendron apiculatum Rehder et E. H. Wilson  Rhododendron concinnum var. lepidanthum (Rehder et E. H. Wilson) Rehder  Rhododendron concinnum var. pseudoyanthinum (I. B. Balfour ex Hutch.) Davidian  Rhododendron yanthinum Bureau et Franch.  Rhododendron yanthinum var. lepidanthum Rehder et E. H. Wilson  Rhododendron coombense Hemsl.  Rhododendron benthamianum Hemsl.  Rhododendron concinnum f. laetevirens Cowan  Rhododendron pseudoyanthinum Balf. f. ex Hutch.
科属(Family & Genus):杜鹃花科(Ericaceae)杜鹃属
形态特征(Description):灌木,高(0.4-)1.5-3米。幼枝被鳞片。叶长圆形、椭圆形、卵形、长圆状披针形或卵状披针形,长2.5-7.5厘米,宽1.5-3.5厘米,顶端锐尖、钝尖或短渐尖,明显有短尖头,基部钝圆或宽楔形,上面或多或少被鳞片,有时沿中脉被微柔毛,下面粉绿或褐色,密被鳞片,鳞片略不等大,中等大小或大,扁平,有明显的边缘,相距为其直径之半或邻接,极少相距为其直径;叶柄长0.5-1.3厘米,密被鳞片。花序顶生或同时枝顶腋生,2-5花,伞形着生;花梗长0.4-1.8厘米,密被鳞片;花萼小,5裂,裂片长0.8-1.5(-6)毫米,圆形、三角形或长圆形,有时花萼不发育呈环状,无缘毛或有缘毛;花冠宽漏斗状,略两侧对称,长1.5-3.2厘米,紫红色、淡紫或深紫色,内面有或无褐红色斑点,外面或多或少被鳞片或无鳞片,无毛或至基部疏被短柔毛;雄蕊不等长,近与花冠等长,花丝下部被疏柔毛;子房5室,密被鳞片,花柱细长,洁净,稀基部有微毛,略伸出花冠。蒴果长圆形,长1-1.5厘米。花期4-6月,果期9-10月。
分布(Distribution):产陕西、河南、湖北西部、四川、贵州、云南。生于海拔2300-3800米山坡灌丛、冷杉林带杜鹃林。
用途(Use):
引自中国植物志英文版FOC Vol. 14 Page 280
Rhododendron concinnum Hemsley, J. Linn. Soc., Bot. 26: 21. 1889.
秀雅杜鹃 xiu ya du juan | Apiaceae  | Rhododendron
Rhododendron apiculatum Rehder & E. H. Wilson; R. benthamianum Hemsley; R. concinnum var. benthamianum (Hemsley) Davidian; R. concinnum f. laetevirens Cowan; R. concinnum var. lepidanthum (Rehder & E. H. Wilson) Rehder; R. concinnum var. pseudoyanthinum (I. B. Balfour ex Hutchinson) Davidian; R. coombense Hemsley; R. pseudoyanthinum I. B. Balfour ex Hutchinson; R. yanthinum Bureau & Franchet; R. yanthinum var. lepidanthum Rehder & E. H. Wilson.
Shrubs, (0.4–)1.5–3 m tall; young shoots scaly. Petiole 5–13 mm, densely scaly; leaf blade oblong, elliptic, ovate, oblong-lanceolate or ovate-lanceolate, 2.5–7.5 × 1.5–3.5 cm; apex acuminate to acute, apiculate; abaxial surface pinkish green or brown, scales 0.5(–1) × their own diameter apart or contiguous, unequal, with obvious margin; adaxial surface ± scaly, sometimes pubescent along midrib. Inflorescence terminal or subterminal, umbellate, 2–5-flowered. Pedicel 0.4–1.8 cm, densely scaly; calyx 5-lobed; lobes 0.8–1.5(–6) mm, rounded, triangular or oblong, sometimes undeveloped and rim-like; corolla broadly funnelform-campanulate, pale or deep purplish red, inside with or without brownish red spots, 1.5–3.2 cm, outer surface ± scaly, glabrous or sparsely pubescent at base; stamens unequal, as long as corolla; filaments pubescent below; ovary 5-locular, densely scaly; style slightly longer than corolla, usually glabrous, rarely pubescent at base. Capsule cylindric, 10–15 mm. Fl. Apr–Jun, fr. Sep–Oct.
Abies-Rhododendron forests, thickets on slopes; 2300–3000(–3800) m. Guizhou, Henan, Hubei, Shaanxi, Sichuan, Yunnan.
It is believed that Rhododendron hutchinsonianum W. P. Fang (Acta Phytotax. Sin. 2: 83. 1953), described from Xizang, is a variant of R. concinnum (see Cullen, Notes Roy. Bot. Gard. Edinburgh 39: 76. 1980).





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