长蕊杜鹃Rhododendron stamineum Franch.
长蕊杜鹃Rhododendron stamineum Franch.
262. 长蕊杜鹃（峨眉植物图志）
Rhododendron stamineum Franch. in Bull. Soc. Bot. France, 33; 236. 1886; Hemsl. in Journ. Linn. Soc. Bot. 26: 29. 1889; Hutch. in Stevenson, Spec. Rhodod. 623. 1930; Rehd. in Journ. Arn. Arb. 15: 273. 1934; Hand. –Mazz Symb. Sin. 7: 771. 1936; Fang in Contr. Biol. Lab. Sci. Soc. China Bot. 12: 15. 1939 pro parte et Fang, Icon. Pl. Omei. 1(1); Pl. 18. 1942; 中国高等植物图鉴3: 157. 图4268. 1974; Chamb. in Not. Bot. Gard. Edinb. 35:263. 1977; M. N. Philip. et W. R. Philip. in Not. Bot. Gard. Edinb. 40: 226. 1982;华南 杜鹃花志80. 1983; 云南植物志4: 542. 图版154:4. 1986; 峨眉山杜鹃花61. 图19. 1986; 中国四川杜鹃花 322. 1986.——R. pittosporaefolium Hemsl. in Journ. Linn. Soc. Bot. 26:29. 1889.——R. aucubaefolium Hemsl. in Journ. Linn. Soc. Bot. 26; 19. 1890.——R. cavaleriei var. chaffanjoni Levl. in Bull. Soc. Agricl. Sci. Sarthe, 39: 49. 1903 et Fl. Kouv-Tcheou 152. 1914.——R. chaffanjonii Levl. ex Hutch. in Stevenson, Spec. Rhodod. 623. 1930, pro syn.
《Flora of China》 Vol. 14 (2005)
Rhododendron stamineum Franchet
长蕊杜鹃 chang rui du juan
Shrubs or small trees, 3–7 m tall; young shoots thin, glabrous. Petioles 8–20 mm, glabrous or shortly glandular-setose; leaf blade elliptic or oblong-lanceolate, 6.5–13 × 2–5.5 cm; base cuneate to subrounded; margin slightly revolute; apex acuminate or obliquely acuminate; abaxial surface rarely white-powdery when dried, glabrous or shortly setose towards base; adaxial surface glabrescent, veins obsolete. Inflorescence subapical, (3–)5–8-flowered; flower buds conical, scales ovate, imbricate, pubescent only on the margin and at the apex. Pedicel 2–2.5 cm, glabrous or grayish tomentose when young; calyx lobes minute, triangular, glabrous; corolla funnelform tapering into narrow tube, white to occasionally pink, the upper lobes with yellow flecks within, 3–3.5 cm, tube ca. 13 mm wide; stamens 10, slender, long-exserted, filaments puberulent in lower part; ovary cylindric, tapering into style, ca. 4 mm, glabrous or densely gray-white-tomentose when young; style 4–5 cm, longer than stamens. Capsule cylindric, slightly curved, apex acuminate, 25–40 mm, glabrous. Fl. Apr–May, fr. Jul–Oct.
Mixed forests, open forests, forest margins, thickets, mountains; 400–1500 m. Anhui, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shanxi, Sichuan, Yunnan, Zhejiang.
别名：六骨筋;三骨筋;
科名：杜鹃花科 Ericaceae
属名：杜鹃属 Rhododendron
262. 长蕊杜鹃（峨眉植物图志）
Rhododendron stamineum Franch. in Bull. Soc. Bot. France, 33; 236. 1886; Hemsl. in Journ. Linn. Soc. Bot. 26: 29. 1889; Hutch. in Stevenson, Spec. Rhodod. 623. 1930; Rehd. in Journ. Arn. Arb. 15: 273. 1934; Hand. –Mazz Symb. Sin. 7: 771. 1936; Fang in Contr. Biol. Lab. Sci. Soc. China Bot. 12: 15. 1939 pro parte et Fang, Icon. Pl. Omei. 1(1); Pl. 18. 1942; 中国高等植物图鉴3: 157. 图4268. 1974; Chamb. in Not. Bot. Gard. Edinb. 35:263. 1977; M. N. Philip. et W. R. Philip. in Not. Bot. Gard. Edinb. 40: 226. 1982;华南 杜鹃花志80. 1983; 云南植物志4: 542. 图版154:4. 1986; 峨眉山杜鹃花61. 图19. 1986; 中国四川杜鹃花 322. 1986.——R. pittosporaefolium Hemsl. in Journ. Linn. Soc. Bot. 26:29. 1889.——R. aucubaefolium Hemsl. in Journ. Linn. Soc. Bot. 26; 19. 1890.——R. cavaleriei var. chaffanjoni Levl. in Bull. Soc. Agricl. Sci. Sarthe, 39: 49. 1903 et Fl. Kouv-Tcheou 152. 1914.——R. chaffanjonii Levl. ex Hutch. in Stevenson, Spec. Rhodod. 623. 1930, pro syn.
《Flora of China》 Vol. 14 (2005)
Rhododendron stamineum Franchet
长蕊杜鹃 chang rui du juan
Shrubs or small trees, 3–7 m tall; young shoots thin, glabrous. Petioles 8–20 mm, glabrous or shortly glandular-setose; leaf blade elliptic or oblong-lanceolate, 6.5–13 × 2–5.5 cm; base cuneate to subrounded; margin slightly revolute; apex acuminate or obliquely acuminate; abaxial surface rarely white-powdery when dried, glabrous or shortly setose towards base; adaxial surface glabrescent, veins obsolete. Inflorescence subapical, (3–)5–8-flowered; flower buds conical, scales ovate, imbricate, pubescent only on the margin and at the apex. Pedicel 2–2.5 cm, glabrous or grayish tomentose when young; calyx lobes minute, triangular, glabrous; corolla funnelform tapering into narrow tube, white to occasionally pink, the upper lobes with yellow flecks within, 3–3.5 cm, tube ca. 13 mm wide; stamens 10, slender, long-exserted, filaments puberulent in lower part; ovary cylindric, tapering into style, ca. 4 mm, glabrous or densely gray-white-tomentose when young; style 4–5 cm, longer than stamens. Capsule cylindric, slightly curved, apex acuminate, 25–40 mm, glabrous. Fl. Apr–May, fr. Jul–Oct.
Mixed forests, open forests, forest margins, thickets, mountains; 400–1500 m. Anhui, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shanxi, Sichuan, Yunnan, Zhejiang.