Difference between revisions of "Carex rufina"
Naturhist. Tidsskr. 3: 446. 1841.
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|common_names=Carex â écailles rousses | |common_names=Carex â écailles rousses | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=0–800 m | |elevation=0–800 m | ||
|distribution=Greenland;Man.;Nunavut;Que.;Europe (Denmark;Norway;Sweden). | |distribution=Greenland;Man.;Nunavut;Que.;Europe (Denmark;Norway;Sweden). | ||
| − | |discussion=<p>Although placed by K. K. Mackenzie (1931–1933, parts 2–3, pp. 231–231) in sect. Bicolores Tuckerman, Carex rufina is a member of the C. acuta complex, and appears to be very closely related to C. lenticularis. It differs from C. lenticularis in the red-brown spotted perigynia, black scales, and gynecandrous terminal spike.</p> | + | |discussion=<p>Although placed by K. K. Mackenzie (1931–1933, parts 2–3, pp. 231–231) in sect. Bicolores Tuckerman, <i>Carex rufina</i> is a member of the C. acuta complex, and appears to be very closely related to <i>C. lenticularis</i>. It differs from <i>C. lenticularis</i> in the red-brown spotted perigynia, black scales, and gynecandrous terminal spike.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex rufina | name=Carex rufina | ||
| − | |||
|authority=Drejer | |authority=Drejer | ||
|rank=species | |rank=species | ||
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|publication title=Naturhist. Tidsskr. | |publication title=Naturhist. Tidsskr. | ||
|publication year=1841 | |publication year=1841 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_700.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Phacocystis | |section=Carex sect. Phacocystis | ||
Latest revision as of 20:42, 5 November 2020
Plants cespitose. Culms obtusely angled, 4–15 cm, glabrous. Leaves: basal sheaths red-brown; sheaths of proximal leaves glabrous, fronts with red-brown spots, veinless, apex U-shaped; blades amphistomic, 1.5–2 mm wide, papillose on both surfaces. Inflorescences: proximal bract longer than inflorescence, 1–1.5 mm wide. Spikes erect, compact; proximal 2–3 spikes pistillate, 1–1.5 cm × 3 mm, base cuneate; terminal spike gynecandrous. Pistillate scales red-brown or black, shorter than perigynia, apex obtuse, awnless. Perigynia ascending, green (becoming white) with red-brown spots on apical 1/2, 3–5-veined on each face, stipitate, tightly enclosing achenes, thin-walled, ellipsoid, 2–2.2 × 1.2–1.5 mm, dull, base truncate, distended, apex obtuse or acute, papillose apically; stipe to 0.3 mm; beak red-brown, 0.2 mm. Achenes not constricted, dull, base adnate to perigynium. 2n = 86.
Phenology: Fruiting Aug–Sep.
Habitat: Wet sandy or gravelly shores
Elevation: 0–800 m
Distribution
Greenland, Man., Nunavut, Que., Europe (Denmark, Norway, Sweden).
Discussion
Although placed by K. K. Mackenzie (1931–1933, parts 2–3, pp. 231–231) in sect. Bicolores Tuckerman, Carex rufina is a member of the C. acuta complex, and appears to be very closely related to C. lenticularis. It differs from C. lenticularis in the red-brown spotted perigynia, black scales, and gynecandrous terminal spike.
Selected References
None.