Spergularia macrotheca |
Spergularia macrotheca var. macrotheca |
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beach sand-spurrey, beach sand-spurry, sticky sand spurry, sticky sand-spurrey |
beach sand-spurrey, beach sand-spurry, sticky sand spurry, sticky sand-spurrey |
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Habit | Plants strongly perennial with branched, woody base, stout, 5–40 cm, densely stipitate-glandular in inflorescence or throughout. | Plants 5–35 cm. | ||||||||
Taproots | becoming stout, woody. |
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Stems | erect or ascending to prostrate, usually branched proximally; main stem 0.8–3 mm diam. proximally. |
erect to prostrate. |
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Leaves | stipules conspicuous, dull white to tan, narrowly triangular, 4.5–11 mm, apex long-acuminate; blade linear, (0.6–)1–5.5 cm, fleshy, apex apiculate to spine-tipped; axillary leaves 1–2+ per cluster. |
stipules 5–11 mm; blade (0.6–)1–4 cm. |
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Pedicels | erect, divergent, or reflexed in fruit. |
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Flowers | sepals connate 0.5–1.8 mm proximally, lobes often 3-veined, ovate to lanceolate, 4.5–7 mm, to 8 mm in fruit, margins 0.3–0.7 mm wide, apex blunt to rounded; petals white or pink to rosy, elliptic to obovate, 0.9–1.3 times as long as sepals in flower; stamens 9–10; styles 0.6–3 mm. |
sepal lobes ovate to lanceolate, (4.5–)5–7 mm, to 8 mm in fruit; petals pink to rosy, 0.9–1.1 times as long as sepals; styles 0.6–1.2 mm. |
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Capsules | tan, 4.6–10 mm, 0.8–1.4 times as long as sepals. |
0.8–1.2 times as long as calyx. |
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Seeds | ± red-brown, often with submarginal groove or depression, suborbiculate to pyriform, compressed, (0.6–)0.7–1.2 mm, smooth to faintly or prominently tuberculate or sculpturing of parallel, wavy lines or of low, rounded mounds, not papillate; wing absent or white to reddish brown proximally, 0.1–0.3 mm wide, margins irregular. |
red-brown, often with submarginal groove or depression, suborbiculate to ovate, (0.6–)0.7–0.8 mm, smooth (40x); wing absent or 0.1–0.2 mm wide. |
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Cymes | simple to 3-compound or flowers solitary and axillary. |
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2n | = 36, 72. |
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Spergularia macrotheca |
Spergularia macrotheca var. macrotheca |
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Phenology | Flowering spring–fall. | |||||||||
Habitat | Salt flats and marshes, dunes, rocky outcrops, sandy or rocky coastal bluffs, gravelly ridges, alkaline fields | |||||||||
Elevation | less than 300 m (less than 1000 ft) | |||||||||
Distribution |
CA; OR; WA; BC; including nw Mexico
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CA; OR; WA; BC; Mexico (Baja California) |
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Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 5, p. 18. | FNA vol. 5, p. 18. | ||||||||
Parent taxa | Caryophyllaceae > subfam. Polycarpoideae > Spergularia | Caryophyllaceae > subfam. Polycarpoideae > Spergularia > Spergularia macrotheca | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Arenaria macrotheca | |||||||||
Name authority | (Hornemann ex Chamisso & Schlechtendal) Heynhold: Alph. Aufz. Gew. 689. (1846) | unknown | ||||||||
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