Difference between revisions of "Silene involucrata"
Candollea 22: 22. 1967.
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|name=Lychnis apetala var. involucrata | |name=Lychnis apetala var. involucrata | ||
|authority=Chamisso & Schlechtendal | |authority=Chamisso & Schlechtendal | ||
| + | |rank=variety | ||
|publication_title=Linnaea | |publication_title=Linnaea | ||
|publication_place=1: 43. 1826 | |publication_place=1: 43. 1826 | ||
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|name=Lychnis gillettii | |name=Lychnis gillettii | ||
|authority=B. Boivin | |authority=B. Boivin | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Caryophylloideae;Silene;Silene involucrata | |hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Caryophylloideae;Silene;Silene involucrata | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Silene involucrata | name=Silene involucrata | ||
| − | |||
|authority=(Chamisso & Schlechtendal) Bocquet | |authority=(Chamisso & Schlechtendal) Bocquet | ||
|rank=species | |rank=species | ||
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|publication year=1967 | |publication year=1967 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_381.xml |
|subfamily=Caryophyllaceae subfam. Caryophylloideae | |subfamily=Caryophyllaceae subfam. Caryophylloideae | ||
|genus=Silene | |genus=Silene | ||
Revision as of 22:53, 16 December 2019
Plants perennial, sometimes with dense tufts of basal rosettes of leaves, subglabrous to pubescent and glandular; taproot slender or stout. Flowering stems several, erect, simple or branched, 10–45 cm, usually with 2–5 pairs of leaves. Leaves mainly basal, petiolate; blade narrowly oblanceolate, ± spatulate, 20–60 × 3–5(–10) mm (including petiole), glabrous to pubescent, especially on margins and abaxial veins, pubescence spreading, short, stiff, mainly eglandular. Inflorescences 1–3-flowered, open, bracteate, pubescent, usually densely so, hairs long, flexuous, purple-septate, mostly glandular; bracts narrowly lanceolate, 4–10 mm, usually pubescent. Pedicels usually several times longer than calyx. Flowers pedicellate, rarely sessile, erect, 8–16 mm diam.; calyx prominently 10-veined, not inflated or thin, campanulate or ovate, 8–20 mm, pubescent, especially on veins, rarely almost glabrous, hairs long and short purple-septate, ± glandular, veins heavily suffused with purple (rarely green), sinuses between veins pale, cream colored; petals white, often pink or purple tinged, claw equaling calyx, limb not differentiated from claw, emarginate to obovate, often 2-lobed, ca. 1/2 as long as calyx; stamens included in calyx, spreading horizontally; styles 5, included in calyx. Capsules equaling calyx, opening by 5 teeth, tardily splitting into 10. Seeds brown, winged, ± reniform to angular, 1–1.5 mm diam.; wing to 1/2 seed diam.
Distribution
Greenland, nw Canada, Alaska, arctic Europe, e Asia (Russian Far East, Siberia).
Discussion
Subspecies 2 (2 in the flora).
Silene involucrata is a very variable circumpolar and arctic-alpine species complex. Many of the variants have been treated as species by earlier workers. Here, a single species with two subspecies is recognized.
Selected References
None.
Key
| 1 | Calyx campanulate to ovoid, 10-20 mm in fruit; flowering stems sturdy, usually less than 20 cm, internodes equaling or shorter than leaves | Silene involucrata subsp. involucrata |
| 1 | Calyx campanulate, 8-10(-12) mm in fruit; flowering stems slender, usually over 30 cm, internodes longer than leaves | Silene involucrata subsp. tenella |