those taxa that were traditionally placed in Physaria, in the strict sense, where replum shape is sometimes helpful in separating species. The valves of didymous-fruited
34 KB (1,355 words) - 20:43, 12 April 2023
ca. 175 (33 in the flora). The nectaries in Minuartia flowers are often enlarged (to 0.5 mm) and variously lobed; they may not be apparent in fruiting material
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Africa, Atlantic Islands, mostly in arctic, boreal, and temperate regions, introduced in Australasia, Oceania. Species ca. 450 (113 in the flora). Species of
32 KB (4,205 words) - 23:31, 5 November 2020
Douglas, 1798–1834, Scottish botanist and collector in northwestern North America Treatment appears in FNA Volume 8. Treatment on page 263. Mentioned on
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singly or in cymiform or corymbiform arrays. Involucres campanulate, hemispheric, or turbinate, mostly 6–20+ mm diam. Phyllaries persistent, 5–23 in (1–)2
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either in coastal habitats or in saline or otherwise mineralized soils of interior habitats. Polyploidy, selfing, and hybridization are widespread in the
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F. polaris and F. arctica, are found in somewhat similar habitats in higher latitudes on sand or other mineral soil. They grow in admixture with other
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beringensis (Hultén) Hultén Artemisia arctica subsp. comata (Rydberg) Hultén Artemisia arctica subsp. ehrendorferi Korobkov Artemisia arctica var. saxatilis (Besser) Y.
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differentiated even in unfertilized perichaetia, slender and erect at the base, long, 5–5.5 mm, somewhat sheathing, distal part, consisting mostly of costa, setaceous-subulate
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(polyploidy widespread in the genus). Almost worldwide, but mostly in temperate regions of both hemispheres, some taxa occur in many regions of the world
37 KB (831 words) - 13:59, 3 June 2022
figs. 1–7. 1801,. Guy R. Brassard Synonyms: Timmia arctica Kindberg Timmia austriaca var. arctica (Kindberg) Arnell Timmia austriaca var. brevifolia Renauld
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and P. wheeleri are important native forage species in western North America; P. alpina, P. arctica, and P. glauca are common components of alpine and arctic
82 KB (1,737 words) - 17:24, 11 May 2021
cespitosa is circumboreal in the Northern Hemisphere, and also grows in New Zealand and Australia. It is an attractive taxon that grows in wet meadows and bogs
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boreal, rarely in temperate and low-elevation areas of North America and Eurasia. Species ca. 380 (121 in the flora). Draba, the largest genus in Brassicaceae
78 KB (1,810 words) - 23:33, 5 November 2020
Henderson Common names: Beach-head iris Synonyms: Iris arctica Eastwood Treatment appears in FNA Volume 26. Treatment on page 380. Mentioned on page 373
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2n = 42. Festuca rubra subsp. arctica grows in sands, gravels, silts, and stony soils of river banks, bars, and flats; in periglacial outwashes, beaches
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crucifers) native in the flora area, 616 (418 endemic) grow in the United States, 140 (12 endemic) in Canada, and 31 (1 endemic) in Greenland. The latest
95 KB (3,708 words) - 23:32, 5 November 2020
3(2): 861. 1803 Synonyms: Corydalis arctica Popov Corydalis pauciflora var. albiflora A. E. Porsild Treatment appears in FNA Volume 3. Plants perennial, from
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workers have recognized infraspecific taxa in North America: subsp. acaulis (subsp. exscapa and subsp. arctica), which is predominantly arctic; and subsp
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Phyllaries 7–25 in 2(–3) series, weakly coherent proximally in buds (interlocking folded margins), distinct later, erect (sometimes slightly spreading) in flower
24 KB (2,224 words) - 20:51, 5 November 2020