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Key to SpergulariaView taxon page for Spergularia
(For a list of species in Spergularia, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Plant strongly perennial Completing life cycle (germination through death) in more than two years or growing seasons, generally non-woody (at least above ground) to woody; includes perennial herbs as well as subshrubs to trees; the abbreviation 'per' only refers to perennial herb, not to the word 'perennial' alone. herb; stamens 7–10 2. Seeds 0.4–0.5 mm; calyx lobes 1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. 2.5–4 mm, in fruit < 5 mm; styles 0.4–0.6 mm ..... S. villosa 3' Petals white; styles 1.2–3 mm 1' Annual ( Spergularia rubra, Spergularia media short-lived perennial herb); stamens 2–10 5. Seeds black, not papillate Pertaining to a surface (e.g., of a leaf, stigma, fruit) bearing small, rounded or conic protuberances (papillae). ..... S. atrosperma 5' Seeds light to dark brown or red-brown, if nearly black, seeds covered with gland-tipped papillae 7. Seeds 0.8–1.1 mm, smooth, not papillate, generally winged; fruit (4.5)5.5–8 mm; plant stout, lower main stem generally 1–3 mm diam; leaves clearly fleshy ..... S. media var. media 7' Seeds 0.4–0.6 mm, roughened or variously sculptured, papillate, not winged; fruit 2.7–5.4 mm; plant ± delicate, lower main stem generally 0.3–1 mm diam; leaves barely to ± fleshy 8. Leaves generally 0–2 per axillary Pertaining to or within an axil, especially a leaf axil. cluster, ± fleshy; seeds light brown; stipules generally 1.5–4.5 mm, mostly deltate More or less equilaterally triangular, with the corners rounded or not. , dull, white to tan, generally inconspicuous, tip acute Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle. to short-acuminate ..... S. bocconi 8' Leaves 2–4+ per axillary cluster, barely fleshy; seeds red-brown to dark brown; stipules generally 3.5–5 mm, lanceolate Narrowly elongate, widest in the basal half, often tapered to an acute tip. , shiny, white, conspicuous, tip ± long-acuminate ..... S. rubra 10. Inflorescence glandular-hairy, 1–3+ × compound or flowers 1 in axils; fruit 2.8–6.4 mm; calyx lobes 2.5–4.5 mm, in fruit < 4.8 mm; seeds 0.5–0.7(0.8) mm ..... S. marina
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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .
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