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FOC | Family List | FOC Vol. 19 | Caprifoliaceae | Lonicera

46. Lonicera ferruginea Rehder in Sargent, Trees & Shrubs. 1: 43. 1902.

锈毛忍冬 xiu mao ren dong

Lonicera fulva Merrill; L. giraldii Rehder f. nubium Handel-Mazzetti; L. nubium (Handel-Mazzetti) Handel-Mazzetti.

Climbers. Branches becoming hollow. Branches, petioles, and peduncles covered with ± dense yellow-brown stiff curved hairs, and with minute glandular hairs on young parts. Petiole 4-10 mm; leaf blade ovate to lanceolate, 5-14 × 2-5 cm, abaxially densely yellow-brown strigose with raised veins, adaxially glabrescent and densely hairy on midvein, veins slightly impressed adaxially, base rounded to subcordate, margin ciliate with ciliae to 1 mm, apex acute to caudate. Flowers paired in short or contracted racemes, racemes paniculate toward apex of branchlets with subulate involucral bracts; inflorescence peduncle to 7 cm; involucral bract filiform, 4-12 mm; peduncle of paired flowers 0-5 mm; bracts narrowly linear, 2-4 mm; bracteoles ovate, ca. 1 mm; bracts and bracteoles densely strigose. Neighboring 2 ovaries free, ca. 2 mm, densely strigose at least in upper half or glabrous. Calyx lobes lanceolate, to 2 mm. Corolla bilabiate, white at first, later yellow, 1.8-2.8 cm; tube 1.2-2.2 cm, outside strigose, inside hirsute, not gibbous at base; upper lip 4-lobed, lobes 2-3 mm; lower lip linear-oblong. Stamens longer or subequaling corolla; filaments sparsely hirsute on lower part. Style glabrous or hirsute in lower half. Berries black, ovoid-orbicular, ca. 8 mm in diam.; seeds ovoid and slightly compressed, ca. 3.5 mm, shallowly pitted. Fl. May-Jul, fr. Aug-Oct.

Sparse and dense forests, scrub; 600-2000 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Yunnan [India, N Thailand].

47-51. Lonicera macrantha species complex

1 Ovaries densely hirsute.   49 L. confusa
+ Ovaries glabrous to sparsely hirsute   (2)
2 (1) Stems with spreading, yellow-brown long stiff hairs and minute glandular hairs   (3)
+ Stems yellow-brown velutinous to tomentose or grayish pubescent, occasionally glabrous   (4)
3 (2) Leaves abaxially hirsute mixed with minute glandular hairs.   47 L. macrantha
+ Leaves abaxially white velutinous obscuring leaf surface, mixed with stiff hairs.   48 L. similis
4 (2) Stems yellow-brown velutinous to tomentose   (5)
+ Stems grayish pubescent or occasionally glabrous   (6)
5 (4) Leaves abaxially white-yellow velutinous with conspicuously raised veins.   51 L. reticulata
+ Leaves abaxially hirsute mixed with minute glandular hairs.   47 L. macrantha
6 (4) Leaves abaxially glabrous to pubescent, without large sessile orange glands.   49 L. confusa
+ Leaves abaxially glaucous, with large sessile orange glands.   50 L. hypoglauca


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