Silene subcretacea F.N.Williams
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Description:
Reference: Zhou L., Wu Z.-Y., Lidén, M. & Oxelman, B. (2001). Silene (110 spp.). In Wu Zhengyi & P. H. Raven (eds). Flora of China. 6: 66-100Silene subcretacea F. N. Williams, J. Linn. Soc., Bot. 38: 404. 1909. ≤ÿ”¨◊”≤› zang ying zi cao ?Silene waltonii F. N. Williams. Herbs suffruticose, (15–)20–45 cm tall. Stems clustered, erect, basally lignified, dichotomously branched, densely short-ly pubescent. Leaves with short, sterile axillary branches, linear, 8–12 × 1–2 mm, both surfaces densely pubescent, apex acute. Flowers bisexual, spreading in bud, erect in flower, usually with two solitary flowered cymules per stem. Pedicel pubescent, 2–5 mm; bracts linear-lanceolate, 2–8 mm, herbaceous, pubescent. Calyx campanulate, clavate in fruit, 1–1.5(–1.8) cm × ca. 3.5 mm, densely pubescent, veins dark violet; calyx teeth 2–3 mm. Androgynophore 3–5(–6) mm, pubescent. Petal claws narrow, glabrous, upper part forming triangular, erose auricles; limbs reddish, deeply bifid to 1/2 or more, sometimes erose at apex; coronal scales ca. 2 mm, margin erose. Stamens and styles included or slightly exserted; filaments glabrous. Styles 3. Cap-sule ovoid, 8–12 mm. Seeds triangular-reniform, ca. 1.2 mm. Fl. Jul–Aug, fr. Aug–Sep. • Alpine meadows, gravelly mountain grasslands; (3000–)3800–4700 m. Xizang. We have not been able to trace the type material of Silene wal-tonii (collected in Gyangzê Xian, S Xizang), but at least some of the syntypes of S. subcretacea F. N. Williams fit the original description, as well as the illustration in FRPS, of S. waltonii.
Comment:
Superordinate taxon: Silene subsect. Sclerocalycinae (Boiss.) Gürke (ID: 831)