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FOC | Family List | FOC Vol. 14 | Apiaceae | Peucedanum

21. Peucedanum terebinthaceum (Fischer ex Treviranus) Ledebour, Fl. Ross. 2: 314. 1844.

石防风 shi fang feng

Plants 30–120 cm. Stem puberulous above. Basal leaf blade elliptic or triangular-ovate, 2-pinnate/pinnatisect; pinnae 3–5-paired; ultimate segments lanceolate, 0.8–3 × 0.5–1.2 cm, both surfaces glabrous, sometimes pubescent near basal veins, base cuneate, margins lobed or 2–3-toothed. Synflorescence much branched, apex of peduncles hispid; umbels 3–10(–15) cm across; bracts absent or 1–2, linear-lanceolate; rays 8–20(or more), unequal, 4-angled, inner faces hispid, outer faces glabrous; bracteoles 6–10, linear, shorter than flowers. Calyx teeth long-subulate. Petals white, midvein pale yellow. Styles longer than stylopodium. Fruit ellipsoid or ovoid-ellipsoid, 3.5–4 × 2.5–3.5 mm, glabrous; dorsal ribs prominent, lateral ribs winged, wings ca. 1 mm, ca. 1/3 width of body, thin; vittae 1 in each furrow, 2 on commissure. Fl. Jul–Sep, fr. Sep–Oct.

Mixed forests, forest margins, scrub, grassy slopes; 200–1200 m. NE Hebei, Heilongjiang, S Jilin, Liaoning, E Nei Mongol (Da Hinggan Ling) [Japan, Korea, Russia].

1 Leaf blade elliptic to triangular-ovate; ultimate segments lanceolate or ovate-lanceolate.   21a var. terebinthaceum
+ Leaf blade broadly triangular-ovate; ultimate segments ovate.   21b var. deltoideum

Lower Taxa


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