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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, tufted to matted, taprooted. Leaf: linear to awl-shaped, generally not fleshy; vein 0–1. Inflorescence: terminal or axillary; flower 1; pedicels 2–30 mm. Flower: sepals 4–5, free, 1.3–3.5 mm, lanceolate to ovate, glabrous to glandular-hairy; petals 0 or 4–5, 1–3 mm, entire or notched; stamens 4, 5, 8, 10; styles 4–5, 0.1–0.6 mm. Fruit: capsule, ovoid; valves 4–5, spreading to recurved. Seed: many, generally obliquely triangular, ± compressed, brown or red-brown.Key to Sagina
± 25 species: northern temperate, tropical mountains. (Latin: fatten, from early use as forage) [Crow 2005 FNANM 5:140–147]
Annual (1.5)3–8 cm, ± glandular-hairy distally; sterile basal rosettes 0. Stem: thread-like, erect to decumbent. Leaf: upper minutely ciliate near base; blade 3–9(12) mm, narrowly linear. Inflorescence: pedicels 2–8(12) mm, thread-like, generally straight, glandular-hairy. Flower: sepals 4(5), ± appressed in fruit, 1.5–2 mm, ± glandular-hairy; petals 0(4), minute, < sepals; stamens generally 4. Fruit: 1–1.2 × sepals. Seed: 0.2–0.3 mm, roughened or papillate, brown; back grooved.
2n=12. Sandy disturbed areas, river bars, streamsides; < 700 m. Northwestern California, Cascade Range, n&c Sierra Nevada, Great Central Valley, Central Coast, Outer South Coast Ranges, South Coast, n Channel Islands, Peninsular Ranges; British Columbia, Kansas, formerly elsewhere in eastern North America; native to Europe. Spring–early summer [Online Interchange]
Unabridged synonyms: [Sagina apetala var. barbata Fenzl ex Ledeb.]
Previous taxon: Sagina
Next taxon: Sagina decumbens subsp. occidentalis
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 4 2015
Citation for this treatment: [Author of taxon treatment] 2013. Sagina, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42572, accessed on Aug 4 2015
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|Geographic subdivisions indicated for the distribution of Sagina apetala|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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