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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to perennial herb; rarely dioecious (Silene), taprooted or rhizome generally slender. Leaf: simple, generally opposite (subwhorled), entire, pairs at nodes often ± connected at bases; stipules generally 0; petiole generally 0. Inflorescence: generally cyme, generally open; flowers 1–many; involucre generally 0 (present in Dianthus, Petrorhagia). Flower: generally bisexual, radial; hypanthium often present but obscure; sepals (4)5, ± free or fused into a tube, margins generally scarious, more so on inner 2 or not, tube generally not scarious, awns generally 0; petals (4)5 or 0, generally tapered to base (or with claw long, limb expanded), entire to 2–several-lobed, limb generally without scale-like appendages adaxially, generally without ear-like lobes at base; stamens generally 10, generally fertile, generally free, generally from ovary base; nectaries 0 or 5; ovary superior, generally 1-chambered, placentas basal or free-central, styles 2–5 with 0 branches or 1 with 2–3 branches. Fruit: capsule or utricle (rarely ± dehiscent), generally sessile. Seed: appendage generally 0 (present in Moehringia).
83 or 89 genera, 3000 species: widespread, especially arctic, alpine, temperate northern hemisphere; some cultivated (Agrostemma, Arenaria, Cerastium, Dianthus, Gypsophila, Lychnis, Sagina, Saponaria, Silene, Vaccaria). [Rabeler & Hartman 2005 FNANM 5:3–215] Apetalous Caryophyllaceae can also be keyed in Rabeler & Hartman 2005 FNANM 5:5–8. —Scientific Editor: Thomas J. Rosatti.
Key to Caryophyllaceae
Annual, perennial herb, erect to sprawling; taprooted. Leaf: thread-like to linear, vein 1; stipules 1–11 mm, lanceolate to widely triangular, scarious, ± entire or splitting ± at tip, white to tan. Inflorescence: terminal, open to dense; flowers few to many; pedicels 0.5–28+ mm. Flower: sepals 5, united in basal 1/5, 1.5–10 mm, lanceolate to ovate, glabrous to glandular-hairy; petals 5, 0.6–9 mm, entire; stamens 2–10; styles 3, 0.3–1.9 mm. Fruit: capsule, ovoid; valves 3, spreading, tip recurved. Seed: few to many, dark brown, red-brown, or black, often winged.Key to Spergularia
60 species: western North America, western South America, Mediterranean. (Latin: derivative of Spergula) [Hartman & Rabeler 2005 FNANM 5:16–23]
Annual, delicate. Stem: lower main generally 0.3–1 mm diam. Leaf: ± not fleshy; axillary clusters generally 0; stipules 1.5–3.5 mm, inconspicuous, deltate, dull white, tip ± acute. Inflorescence: generally 4–7+ × compound, glabrous. Flower: sepals fused 0.1–0.3 mm, lobes 0.9–1.6 mm, in fruit < 2 mm; petals white; stamens 3–5; styles 0.3–0.4 mm. Fruit: 1.4–2.6 mm, 1.3–1.5 × calyx. Seed: 0.3–0.4 mm, light to dark or red-brown, wing 0; sculpture worm-like, papillae minute, cup-shaped.
Uncommon. Dried or brackish mud flats, adobe mesas; < 400 m. Sacramento Valley, South Coast, Peninsular Ranges; Texas, Baja California; probably native to Argentina. Early spring [Online Interchange]
Unabridged note: 1 other var., native to Argentina, introduced to Chile.
Previous taxon: Spergularia media var. media
Next taxon: Spergularia rubra
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 20 2014
Citation for this treatment: [Author of taxon treatment] 2012. Spergularia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=82541, accessed on Apr 20 2014
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