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Kellogg's Sedge

Carex kelloggii W. Boott

Comprehensive Description

provided by North American Flora
Carex kelloggii W. Boott, in S. Wats. Bot. Calif. 2 : 240. 1880
Carex acuta var. pallida Boott, 111. Carex 166. pi. 554. 1867. (Type from Oregon.)
"Carex vulgaris var. juncella Fries" Olney, in S. Wats. Bot. King's Expl. 36S, in part. 1871.
"Carex caespitosa L." Olney; A. Grav, Proc. Am. Acad. 8: 407. 1872.
" Carex decidua Boott" W. Boott, in S. Wats. Bot. Calif. 2:240. 1880.
"Carex aquatilis Wahl." Kurtz, Bot. Jahrb. 19: 417. 1894.
Carex vulgaris var. lipocarpa Holm, Am. Jour. Sci. IV. 17: 308, in part. 1904. (Type not definitely
designated.) Carex limnaea Holm, Am. Jour. Sci. IV. 20: 301, 307. /. 1-3. 1905. (Type from Crater Lake,
Oregon.) Carex Hindsii var. brevigluma Kiikenth. in Engler, Pflanzenreich 4-°: 307. 1909. (Type from Lake
Pend d'Oreille, Idaho.) Carex lenticularis var. paullifructus Kiikenth. in Engler, Pflanzenreich 4-°: 308. 1909. (Type from
Palouse Creek, Washington.) Carex Goodenovii var. lipocarpa M. E. Jones, in Bull. Univ. Mont. 61 : 172, in part. 1910. (Based
on C. vulgaris var. lipocarpa Holm.)
Cespitose, forming medium-sized or large clumps, the rootstocks short or more or less elongate, slender but tough, the culms 1-6 dm. high, erect, slender, sharply triangular above, more or less roughened above, papillose, usually shorter than but sometimes exceeding -the leaves, phyllopodic, brownish and somewhat fibrillose at base, the dried-up leaves of the previous year conspicuous; sterile shoots aphyllopodic; leaves with well-developed blades 5-10 to a fertile culm, on the lower third, more or less clustered, the blades erect, thin, light-green, flat above, channeled towards base, usually 1-3 dm. long, 1.5-2.5 mm. wide, long-attenuate, much roughened at the apex, the sheaths very obscurely or not at all septate, rounded and not hispidulous dorsally, thin-white-hyaline and yellowish-brown-dotted ventrally, concave at mouth (often deeply so), the ligule longer than wide; terminal spike staminate, rarely somewhat pistillate, more or less strongly peduncled, 1-4 cm. long, 3-4 mm. wide, the scales oblongobovate, obtuse, purplish-brown with conspicuous lighter center and hyaline margins; pistillate spikes 3-5, approximate or slightly separate, erect, the lower short-peduncled, the upper sessile or nearly so, linear-cylindric, from not at all to noticeably attenuate at base, generally 1.5-3.5 cm. long, about 4.5 mm. wide, containing numerous appressed-ascending perigynia in few to several rows; lowest bract leaf -like, strongly exceeding inflorescence, sheathless or nearly so, the upper reduced, biauriculate ; scales oblong-ovate, obtuse or slightly acutish, darkpurplish-brown with broad, lighter, usually 1-nerved center not extending to the apex, and narrow hyaline margins, narrower than and from much shorter than to about the length of the perigynia; perigynia soon deciduous, ovate, flattened biconvex, 2-edged, 1.5-3 mm. long, 1.25 mm. wide, light-green, not at all dark-colored, granular, not or rarely yellow-glandular, membranaceous, 2-ribbed (the marginal), lightly several-nerved on both sides, round-truncate at base and slenderly stipitate, rounded at apex, abruptly apiculate-beaked, the beak 0.1-0.25 mm. long, entire, usually conspicuously black-tipped ; achenes lenticular, suborbicular, about 1 mm. long, filling lower half of perigynium, blackish, granular, substipitate, abruptly shortapiculate, jointed with the short slender style; stigmas 2, slender, dark-colored.
Type locality: Sierra Nevada Mountains of California (Kellogg; Lemmon).
Distribution: Sunnv swamps and wet meadows, Alberta to Colorado, and westward to Alaska and California (where confined to the higher Sierras). (Specimens examined from Alberta. Montana. Wyoming, Colorado, Utah, Idaho, Alaska, British Columbia, including Vancouver Island, Washington, Oregon, California.) ... ,--,«, Til
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bibliographic citation
Kenneth Kent Mackenzie. 1935. (POALES); CYPERACEAE; CARICEAE. North American flora. vol 18(6). New York Botanical Garden, New York, NY
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