Spergularia villosa |
Spergularia echinosperma |
|
---|---|---|
hairy sand-spurrey, hairy sand-spurry, villous sand spurry |
bristle-seed sand-spurrey, bristleseed sandspurry |
|
Habit | Plants strongly perennial with branched, woody base, stout, 11–30 cm, stipitate-glandular in inflorescence or throughout. | Plants annual, delicate, 5–15 cm, stipitate-glandular throughout. |
Taproots | becoming stout, woody. |
slender. |
Stems | erect to ascending, often arcuately so, much-branched proximally; main stem 0.4–1.3 mm diam. proximally. |
erect to ascending, simple to diffusely branched proximally and distally; main stem occasionally prostrate, 0.2–1.5 mm diam. proximally. |
Leaves | stipules ± conspicuous, dull white, broadly lance-acuminate, 3–8 mm, apex mucronate; blade filiform to linear, 1–4.2 cm, somewhat fleshy, apex apiculate or spine-tipped; axillary leaves 2–4 per cluster. |
stipules inconspicuous, silvery to dull tan, broadly triangular, 1.4–2.4 mm, shorter than wide, apex acuminate; blade linear, 0.5–3.5 cm, somewhat fleshy, apex blunt to apiculate; axillary leaf cluster usually absent. |
Pedicels | spreading to reflexed in fruit. |
reflexed and oriented to 1 side in fruit. |
Flowers | sepals connate 0.5–0.7 mm proximally, lobes 1- or 3-veined, lance-ovate to lanceolate, 2.5–4 mm, to 5 mm in fruit, margins 0.1–0.6 mm wide, apex acute to acuminate but often briefly rounded at tip; petals white, ± elliptic, 0.7–0.8 times as long as sepal; stamens 7–10; styles 0.4–0.6 mm. |
sepals connate 0.2–0.3 mm proximally, lobes 1–3-veined, lanceolate to ovate, 2.5–3.6 mm, to 4 mm in fruit, margins 0.1–0.5 mm wide, apex rounded; petals white to pink or rosy, lanceolate, 0.4–0.6 times as long as sepals; stamens 1–4(–5); styles 0.3–0.4 mm. |
Capsules | greenish to tan, (4–)5–6.5 mm, 1.1–1.3 times as long as sepals. |
greenish to tan, 2.8–4 mm, 0.9–1.4 times as long as sepals. |
Seeds | reddish brown to dark brown, often with submarginal groove, broadly ovate, plump, 0.4–0.5 mm, smooth, often sculptured with parallel, wavy lines, papillae often present; wing often present, white, 0.1–0.2 mm wide, margins irregular. |
reddish brown to blackish, silver tinged, with submarginal groove, pyriform, ± compressed, 0.5–0.7(–0.8) mm, shiny, slightly roughened, with dense, gland-tipped papillae and appearing echinate (30x); wing usually absent, whitish to reddish brown, 0.1–0.2 mm wide, margins irregular and not papillate. |
Cymes | simple to 3-compound. |
commonly 4–8+-compound. |
2n | = 18, 36 (both Europe). |
|
Spergularia villosa |
Spergularia echinosperma |
|
Phenology | Flowering spring. | Flowering spring. |
Habitat | Sandy slopes and bluffs, clay ridges and plains, disturbed areas | Dunes, clay flats, sandy river banks |
Elevation | 0-500 m (0-1600 ft) | 0-20+ m (0-100+ ft) |
Distribution |
CA; OR; Mexico (Baja California); South America (Chile?) [Introduced in North America]
|
AL; GA; LA; TX; Europe [Introduced in North America] |
Source | FNA vol. 5, p. 22. | FNA vol. 5, p. 22. |
Parent taxa | Caryophyllaceae > subfam. Polycarpoideae > Spergularia | Caryophyllaceae > subfam. Polycarpoideae > Spergularia |
Sibling taxa | ||
Synonyms | Spergula villosa | |
Name authority | (Persoon) Cambessèdes: in A. St.-Hilaire et al., Fl. Bras. Merid. 2: 129. (1830) | Celakovský: Arch. Naturwiss. Landesdurchf. Bohmen 4: 867. (1881) |
Web links |