Saxifraga flagellaris

Willdenow in C. M. von Sternberg

in C. M. von Sternberg, Revis. Saxifrag. 1: 25, plate 6. 1810 ,.

Common names: Stoloniferous or spider or spider-legged saxifrage spider plant
Treatment appears in FNA Volume 8. Treatment on page 138. Mentioned on page 134, 135.
Revision as of 23:01, 16 December 2019 by FNA>Volume Importer

Plants in solitary clumps, stoloniferous, slenderly rhizomatous. Leaves basal and cauline; petiole absent; blade oblong-lanceolate or elliptic to obovate, unlobed, 5–20 mm, fleshy, margins entire, sparsely to densely, coarsely glandular-ciliate, distal sometimes ciliate, apex acute to ± obtuse, mucronate, surfaces glabrous. Inflorescences 2–3(–5)-flowered, lax cymes, sometimes solitary flowers, 1–15 cm, densely purplish-tipped stipitate-glandular; bracts sessile. Flowers: sepals erect, elliptic or oblong-ovate, margins stipitate glandular-ciliate, surfaces stipitate-glandular; petals yellow, not spotted, elliptic to broadly obovate, 4–9(–10) mm, longer than sepals; ovary superior to ca. 1/2 inferior.

Distribution

V8 271-distribution-map.gif

North America, Asia (c Asia, Caucasus, Russian Far East, Siberia), Atlantic Islands (Svalbard).

Discussion

Subspecies ca. 8 (3 in the flora).

Although sometimes reported from North America, subspecies flagellaris is not present in the flora area; it is native in Eurasia.

Selected References

None.

Key

1 Ovaries superior; inflorescence bract blades shorter than internodes. Saxifraga flagellaris subsp. setigera
1 Ovaries at least 1/2 inferior; inflorescence bract blades longer than internodes > 2
2 Inflorescences (2-)4-15 cm; hypanthia and sepals whitish- and black-tipped stipitate-glandular; petals elliptic to narrowly obovate, length to 2 times sepals. Saxifraga flagellaris subsp. crandallii
2 Inflorescences 1-4(-6) cm; hypanthia and sepals black-tipped stipitate-glandular; petals broadly obovate, length 2+ times sepals. Saxifraga flagellaris subsp. platysepala
... more about "Saxifraga flagellaris"
Luc Brouillet +  and Patrick E. Elvander† +
Willdenow in C. M. von Sternberg +
Stoloniferous or spider or spider-legged saxifrage +  and spider plant +
North America +, Asia (c Asia +, Caucasus +, Russian Far East +, Siberia) +  and Atlantic Islands (Svalbard). +
in C. M. von Sternberg, Revis. Saxifrag. +
Saxifraga flagellaris +
Saxifraga +
species +