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Pternopetalum yiliangense

Description from Flora of China

Plant rather stout, 30–60 cm. Stem single, 1–2-branched. Basal leaves petiolate, petioles 4–10 cm, densely strigose; blade broadly triangular-ovate in outline, 4–8 × 4–8 cm, 3–5-foliolate; ultimate segments ovate or oblong-ovate, 3–5 × 2–4 cm, abaxially pale green, strigose on veins, margins crenate. Umbels ca. 2 cm across in flower, to 4 cm in fruit; bracts absent; rays 15–32, 1–3.5 cm; bracteoles 2, ca. 0.5 mm; umbellules 2-flowered, usually only terminal umbellule fertile; pedicels 0.2–1.5 mm. Calyx teeth subulate, ca. 0.4 mm. Petals white, ca. 1.8 × 0.8 mm. Stylopodium conic; styles elongate; stylopodium plus style ca. 1 mm. Fruit ovoid, 2.5–3 × ca. 2.5 mm; ribs denticulate; vittae 1–2 in each furrow, 2–4 on commissure. Fl. Apr–Jun, fr. Jul–Sep.

This poorly known taxon is recorded only from a few collections.

Riparian grasslands; 1900–2000 m. C Yunnan.


 

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