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Silene tubulosa Oxelman & Lidén


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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: 66-100
Silene tubulosa Oxelman & Lidén in Oxelman et al., Novon 11: 323. 2001. ?? ?? Herbs perennial. Rootstock short and sturdy, with a few robust roots, crowned by a few small, sterile leaf rosettes. Stems few, caespitose, erect to ascending, 15–25 cm, with a rather dense mixture of long, glandular hairs and some shorter, reflexed, eglandular hairs. Basal leaves long petiolate with leaf blade decurrent on petiole; petiole 1–4 cm; leaf blade suborbicular to narrowly ovate, 2–5 × 1–4 cm, abaxially glaucous and hairy, especially at veins and margin, adaxially subglabrous, apex obtuse to subacute. Distal leaves shortly petiolate; leaf blade lanceolate to elliptic, 1–2 cm × 5–10 mm, apex acute. Inflorescence a lax, irregular, unequally branched, 1–10-flowered thyrse; cymules long stalked, 2–4 cm, 1(or 3)-flowered; bracts lanceolate, small, herbaceous. Pedicel 5–15 mm. Calyx pale green with indistinct veins, campanulate at first, soon becoming ± inflated and subglobose, sparsely to densely pubescent; teeth obtuse to subacute at apex. Androgynophore ca. 2 mm, densely woolly. Petals greenish white, ± straight and erect, together forming a short tube exserted beyond calyx by 1–3 mm, each petal oblong, narrowed toward hairy base, 9–10 mm, ca. 1.5 mm wide at apex, without distinct lamina, claw, or coronal scales; apex truncate, ± irregularly notched or sometimes bifid. Stamens and styles long exserted beyond petal tube by up to 5 mm. Filaments white; anthers dark brown. Styles 3, greenish white. Seeds unknown. • Granite boulders in deep shade of Betula forests, grassy cliff ledges, steep hillsides; 3600–4100 m. Xizang. Silene tubulosa is not similar to any other species of Silene. The name alludes to the petals that together form a small tube protruding from the calyx.


Comment:

Superordinate taxon: Silene unranked Asiae mediae (ID: 812)

Included taxa

No included taxa registered

Sequences

No Sequences registered

Specimens

No specimens registered

External data:

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