16. Libanotis schrenkiana C. A. Meyer ex Schischkin in Schischkin & Bobrov, Fl. URSS. 16: 601. 1950.
坚挺岩风 jian ting yan feng
Seseli schrenkianum (C. A. Meyer ex Schischkin) Pimenov & Sdobnina.
Plants 40–110(–130) cm. Caudex branched. Stems usually several, or solitary, erect, branched above, solid, finely ribbed, scattered puberulent. Basal leaves with long petioles, rachis shallowly grooved; blade oblong-ovate, 10–40 × 6–12 cm, 2-pinnatisect; pinnae 5–7 pairs, sessile; ultimate segments linear-lanceolate, 3–10 × 1–3 mm, sometimes ovate-rhombic, ca. 15 × 7 mm, 1–3-serrate, margins narrowly revolute, both surfaces glaucous and sparsely puberulent. Umbels (3–)5–10 cm across; peduncles stout, elongate, apex pubescent; bracts absent or 3–9, subulate to linear, 1–5 mm; rays 15–25(–40), 1–4 cm, almost equal; bracteoles 10–12, linear, 2–6 × ca. 1 mm, shorter than flowers, puberulous; umbellules many-flowered; pedicels 1.5–6(–9) mm. Calyx teeth triangular-lanceolate, ca. 0.5 mm. Petals white, glabrous. Fruit ellipsoid, slightly dorsally compressed, 2–3.5 × 0.7–2 mm, densely pubescent when young, becoming sparsely puberulous; ribs subequal, shortly keeled; vittae 1 in each furrow, 2 on commissure. Fl. and fr. Aug–Sep.
Among shrubs, grassy slopes, gravelly soils, roadsides; 1700–2600 m. NW Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan].
Two of us (Pimenov & Kljuykov, FOC 14: 130. 2005) treat this as Seseli schrenkianum.