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FNA | Family List | FNA Vol. 8 | Saxifragaceae | Saxifraga

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

Stoloniferous or spider or spider-legged saxifrage, spider plant

Plants in solitary clumps, stoloniferous, slenderly rhizom-atous. 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.

Subspecies ca. 8 (3 in the flora): North America, Asia (c Asia, Caucasus, Russian Far East, Siberia), Atlantic Islands (Svalbard).

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

1 Ovaries superior; inflorescence bract blades shorter than internodes.   6a Saxifraga flagellaris subsp. setigera
+ Ovaries at least 1/2 inferior; inflorescence bract blades longer than internodes   (2)
2 (1) Inflorescences (2-)4-15 cm; hypanthia and sepals whitish- and black-tipped stipitate-glandular; petals elliptic to narrowly obovate, length to 2 times sepals.   6b Saxifraga flagellaris subsp. crandallii
+ Inflorescences 1-4(-6) cm; hypanthia and sepals black-tipped stipitate-glandular; petals broadly obovate, length 2+ times sepals.   6c Saxifraga flagellaris subsp. platysepala

Lower Taxa


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