INSERT VERNACULAR NAME
Qin-er Yang (杨亲二); ?Fred Barrie, Charles D. Bell, Peter F. Stevens
INSERT FAMILY DESCRIPTION
Shrubs, deciduous. Winter buds with several scales. Leaves opposite, margin serrate, estipulate. Flowers solitary or 2–6 in cymes, axillary on upper part of lateral short branches or at apices of branches. Calyx tube narrowly cylindric; limb 5-lobed to middle or base. Corolla 5-lobed, irregular or subregular; tube longer than lobes. Stamens 5, inserted at middle of corolla tube, included. Ovary with a globose gland on one side of upper part, 2-loculed, with many ovules; styles long and slender; Fruit a 2-valvate dehiscent capsule; seeds many, small.
Two genera with about 15 species; distributed in NE North America and eastern Asia, with 2 speices in China (one endemic); one or two species cultivated.
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锦带花属 jin dai hua shu
Young branches slightly quadrangular;. Leaves petiolate or subsessile. Flowers solitary or 2–6 in cymes, axillary on upper part of lateral short branches or at apices of branches. Calyx tube narrowly cylindric; limb 5-lobed to middle or base. Corolla white or pink to crimson, campanulate-infundibuliform,; tube longer than lobes..; styles stigmas capitate, often exserted from corolla tube. Fruit, leathery or woody, with central axis and base of styles remaining; seeds wingless or narrowly winged.
About 10 species: NE Asia; two species in China (one endemic); one or two species cultivated.
1a. Calyx limb divided to middle, lobes lanceolate; seeds wingless ............................. 1. W. florida
1b. Calyx limb divided to base, lobes linear; seeds ± winged .................. 2. W. japonica var. sinica
锦带花 jin dai hua
Calysphyrum floridum Bunge, Enum. Pl. Chin. Bor. 33. 1833; Diervilla florida (Bunge) Siebold & Zuccarini;[??Weigela florida f. alba (Nakai) C. F. Fang, Fl. Liaoning. 2: 367. 1992;??W. florida f. albiflora Y. C. Chu, Nat. Resources Res. 2: 2. 1979;??W. florida var. praecox (Lemoine) Y. C. Chu, Nat. Resources Res. 2: 2. 1979]; W. pauciflora de Candolle.
Shrubs, deciduous, 1–3 m tall. Young branches slightly quadrangular, with 2 series of short minute hairs; bark gray; winter buds acute at apex, with 3 or 4 pairs of scales, often smooth. Leaves shortly petiolate to sessile; leaf blade oblong or elliptic to obovate-elliptic, 5–10 cm, abaxially densely pubescent or tomentose, adaxially sparsely pubescent, more densely so on veins, base broadly cuneate to rounded, margin serrate, apex acuminate. Flowers solitary or in cymes, axillary on short branches or at apices. Calyx tube narrowly cylindric, sparsely pubescent; limb 5-lobed to middle; lobes ca. 1 cm, unequal. Corolla purple-red or rose, 3–4 × ca. 2 cm, outside sparsely pubescent; lobes spreading, irregular, inside reddish; filaments shorter than corolla; anthers yellow. Ovary with a yellow-green gland in upper part; styles long and slender; stigmas 2-lobed. Fruit 1.5–2.5 cm, crowned with a short beak, sparsely pubescent; seeds wingless. Fl. Apr–Aug, fr. Oct. 2n = 36.
Mixed forests, scrub; 100–1500 m. ??Hebei, Heilongjiang, Henan, N Jiangsu, Jilin, Liaoning, Nei Mongol, Shaanxi, N Shandong, Shanxi [Japan, Korea].
半边月 ban bian yue
Diervilla japonica (Thunberg) de Candolle var. sinica Rehder, Mitt. Deutsch. Dendr. Ges. 22: 264. 1914.
Shrubs, deciduous, to 6 m tall. Petiole 8–12 mm, pubescent; leaf blade narrowly ovate to ovate-elliptic, rarely obovate, 5–15 × 3–8 cm, abaxially greenish and densely pubescent, adaxially intensely green and sparsely pubescent, more densely so on veins, base broadly cuneate to rounded, margin serrate, apex acuminate to long acuminate. Flowers solitary or 3 in cymes, axillary on short branches or at apices. Calyx tube 1–1.2 cm, pubescent; limb 5-lobed to base; lobes linear, 5–10 mm, pubescent. Corolla white or reddish, gradually turning red at anthesis, infundibuliform-campanulate, 2.5–3.5 cm, outside sparsely pubescent or subglabrous; base of tube narrowly tubular, abruptly enlarged above middle; lobes spreading, subregular, glabrous. Filaments white; anthers yellow-brown. Styles long and slender; stigmas discoid, exserted from corolla. Fruit 1.5–2 cm, crowned with a short beak, sparsely pubescent; seeds narrowly winged. Fl. Apr–May, fr. Aug–Sep.
* Forests, scrub; 400–1800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, ??Hainan, Hubei, Hunan, Jiangxi, Sichuan, Zhejiang.
The typical variety, var. japonica, occurs in Japan.