Silene stellata
Silene bernardina
starry campion, widow's frill
mountain catchfly, Palmer's campion, Palmer's catchfly
several, simple proximal to inflorescence, 30–80 cm, puberulent, becoming subglabrous near base.
not much- branched, slender, (15–)30–60 cm, sparsely pubescent proximally, viscid-glandular distally.
withering proximally, in whorls of 4, ± sessile to short-petiolate, largest in mid-stem region;
blade lanceolate to ovate-lanceolate, 3–10 cm × 4–40 mm, apex acuminate, puberulent on both surfaces, sparsely so adaxially.
mostly basal;
blade linear-lanceolate to oblanceolate, 2–8 cm × 2–6(–15) mm (including petiole), base tapered into slender petiole, apex acute to obtuse, subglabrous to glandular-pubescent on both surfaces;
cauline leaves to 4 pairs below inflorescence, narrower than basal leaves, blade usually linear but rarely elliptic-lanceolate.
paniculate, open, bracteate, bracteolate, branches elongate, puberulent;
bracts and bracteoles linear-lanceolate, 2–15 mm.
erect, with several short, ascending branches, few-flowered, open, bracteate, shortly pubescent and viscid-glandular;
bracts narrowly lanceolate, 3–10 mm, rigid.
straight, often with 1 or 2 pairs of bracteoles, slender, 1/2–3 times calyx, glabrous or scabrous-puberulous.
calyx obscurely 10-veined, broadly campanulate, becoming obtriangular in fruit, 7–11 × 6–10 mm, herbaceous, margins dentate, very narrow, membranous, sparsely puberulent, lobes broadly triangular, 2–3 mm;
corolla white, ca. 2 times longer than calyx, limb obtriangular, narrowed into claw, divided ca. 1/2 its length into 4–12 lobes, appendages absent;
stamens equaling petals;
styles 3, longer than petals.
calyx prominently 10-veined, broadly tubular, umbilicate, moderately or not clavate, narrowed around carpophore, lobed, 12–15 × 4–6 mm, thin and papery, with short glandular-viscid pubescence, veins parallel, usually red pigmented, with pale commissures;
lobes lanceolate, 2–4 mm, apex acute;
petals white, pink, or dingy red, 11/2–2 times calyx, claw equaling calyx, ciliate at base, limb obtriangular, 4–6 mm, deeply divided into 4 linear lobes, appendages 2, conspicuous, laciniate, 2–3 mm, apex rounded;
stamens slightly exserted;
filaments ciliate at base;
styles 3(–4), equaling or longer than stamens.
globose, opening by 3 broadly triangular teeth;
carpophore 2–3 mm.
1-locular, narrowly ovoid, exceeding calyx, opening by 6 (or 8) ascending teeth;
carpophore 3–6 mm.
dark brown, reniform, ca. 1 mm, papillate.
brown, reniform, 1.5–2 mm broad, shallowly tuberculate on both surfaces, papillate around margins.
= (34), 48.
= 48.
Silene stellata
Silene bernardina
Silene stellata is a very distinct species with its broadly lanceolate leaves in groups of four at each node, and its brilliant white, multilobed petals. Two varieties are recognized by some workers: var. stellata, with glabrous pedicels; and var. scabrella, with scabrous pedicels. The former tends to have longer, more slender pedicels and be more common towards the northeast, whereas the latter tends to be more western. The correlation of characters and distribution is poor, however, and intermediate plants are often encountered.
Silene stellata was collected near the Grand River, Cambridge, Ontario, in 1941, but was probably introduced there and has not been seen since.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Silene bernardina is the earliest valid name for this species. Watson had previously (1875) named it S. montana, and that name was taken up by C. L. Hitchcock and B. Maguire (1947), who cited S. bernardina as a subspecies of S. montana. Unfortunately, the epithet montana is pre-occupied in Silene by S. montana Arrondeau (1863), an unrelated European species. The situation was further complicated by Watson in 1877, when he used the name Lychnis montana for another unrelated species now transferred to Silene and called S. hitchguirei.
Silene bernardina varies in leaf width, pubescence, and flower color. The broader-leaved and more sparsely pubescent forms have been referred to subsp. bernardina, and the more-common, narrower-leaved, more-densely pubescent, and viscid forms have been referred to subsp. maguirei.
Some forms of Silene bernardina can be difficult to distinguish from S. verecunda, S. sargentii, and S. oregana. Silene verecunda differs in its smaller, clavate calyx and in its petals being only shortly two-lobed. Silene sargentii is a small, densely cespitose, high-alpine species with very narrow, linear leaves (1–2 mm wide), shortly two-lobed petals, and seeds with much larger papillae around the margins. In S. oregana the petals are larger (two times the calyx) and deeply divided into many very narrow segments; the claw and the filaments are glabrous; the leaves, particularly the basal ones, are broader; and the inflorescences are narrower, with the more numerous flowers arranged on short, ascending branches; also, the calyx lobes are ovate and obtuse instead of lanceolate and acute. The Idaho material tends to be intermediate with S. oregana but has open, dichotomously branched inflorescences, and the petals are nearer to those of S. bernardina. These plants from Valley County in the Payette National Forest need further study, preferably in the field. They may represent a distinct taxon.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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