Flora of North America species comparison

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Saxifraga adscendens

ascending saxifrage, rock saxifrage, wedge-leaf saxifrage
Habit Plants biennial, sometimes behaving as winter annual, solitary or tufted, not stoloniferous, with caudex.
Leaves

basal and cauline, (basal persistent, compact);

petiole absent (cuneate base ± petiolelike);

blade oblanceolate to obovate, (2–)3(–5)-toothed or shallowly lobed apically, rarely unlobed (distal often so), (lobes forwardly directed), (2–)4–15 mm, slightly fleshy, margins entire, stipitate glandular-ciliate, apex obtuse, surfaces glabrate to stipitate-glandular.
Inflorescences

(2–)6–15(–40)-flowered thyrses, (1–)4–25 cm, densely purple-tipped stipitate-glandular;

bracts sessile.
Flowers

sepals erect, (usually reddish purple), ovate or triangular to oblong, margins stipitate glandular-ciliate, surfaces stipitate-glandular;

petals white, not spotted, obovate to oblanceolate, (2–)3–6 mm, equaling or longer than sepals;

ovary inferior.
2n

= 22.

Saxifraga adscendens
Phenology Flowering summer.
Habitat Moist, often shaded cliff ledges, screes, talus slopes, gravelly stream banks, gravelly alpine meadows
Elevation 1200-4200 m (3900-13800 ft)
Distribution
from FNA
AK; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC; NT; YT; Europe
[WildflowerSearch map]
[BONAP county map]
Discussion

Although the North American plants of Saxifraga adscendens have been known as subsp. oregonensis, expressions of the supposed distinguishing characters appear to overlap completely with the variation found in Europe. The plants produce bulbils on caudices.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 145.
Parent taxa Saxifragaceae > Saxifraga
Sibling taxa
S. aizoides, S. aleutica, S. bracteata, S. bronchialis, S. cernua, S. cespitosa, S. cherlerioides, S. chrysantha, S. debilis, S. eschscholtzii, S. flagellaris, S. hirculus, S. hyperborea, S. mertensiana, S. nathorstii, S. oppositifolia, S. paniculata, S. radiata, S. rivularis, S. serpyllifolia, S. taylorii, S. tricuspidata, S. tridactylites, S. vespertina
Synonyms Muscaria adscendens, S. adscendens subsp. oregonensis, S. adscendens var. oregonensis, S. oregonensis
Name authority Linnaeus: Sp. Pl. 1: 405. 1753 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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