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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Clematis

65. Clematis nannophylla Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 23: 305. 1877.

小叶铁线莲 xiao ye tie xian lian

Shrubs small, erect. Stems 30--100 cm; branches shallowly 4- or 5-grooved, appressed puberulous. Leaves simple; petiole 1.5--4(--7) mm; leaf blade ovate or lanceolate in outline, pinnatipartite or pinnatisect, sometimes pinnatilobed, 0.5--5 × 0.3--3 cm, leathery, both surfaces sparsely puberulous or subglabrous, base cuneate or subtruncate; lobes in 1--3(or 4) pairs, undivided and linear or subrhombic and unequally 2- or 3-lobulate, 4--15 mm, apex acute; lobules (if present) ovate, triangular, or linear; midvein abaxially slightly prominent or flat, inconspicuous. Cymes terminal, 1--3(--7)-flowered; peduncle 1--2 cm; bracts leaflike. Flowers 1.2--2.2 cm in diam.; pedicel 0.5--1.3 cm, densely puberulous. Sepals 4, yellow, ascending, oblong or long elliptic, 0.8--1.6 × 0.4--0.85 cm, abaxially puberulous or glabrous, adaxially glabrous, margin narrowly winglike, velutinous on inner line, apex obtuse. Stamens 6--8 mm, glabrous; anthers narrowly oblong, 2.2--3 mm, apex obtuse or indistinctly minutely apiculate. Ovaries densely pubescent; style 5--7 mm, densely villous. Achenes compressed, elliptic, 3--4 × 2.2--2.5 mm, densely pubescent; persistent style ca. 2 cm, plumose. Fl. Jul--Aug, fr. Aug--Sep.

* Dry or gravelly slopes; 1200--3200 m. Gansu, SW Nei Mongol, Ningxia, Qinghai, Shaanxi.

1 Leaf blade 0.5--1.4(--2) cm   65a var. nannophylla
+ Leaf blade 2.5--5 cm.   (2)
2 (1) Leaf blade 0.9--2 cm wide, lobes subrhombic, 3-lobulate, 7--11 mm, lobules ovate or triangular   65b var. pinnatisecta
+ Leaf blade 1.6--3 cm wide, lobes undivided and linear or 2- or 3-lobulate, 4--15 mm, lobules linear   65c var. foliosa


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