TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual, biennial, perennial herb, rarely dioecious, taprooted or rhizome generally slender
Leaves simple, generally opposite; stipules generally 0; petiole generally 0; blade entire, sheath generally 0
Inflorescence: cyme, generally open; flowers fewmany or flower solitary and axillary; involucre generally 0
Flower generally bisexual, radial; hypanthium sometimes present; sepals generally 5, ± free or fused into a tube, tube generally herbaceous between lobes or teeth; awns generally 0; petals generally 5 or 0, generally tapered to base (or with claw long, blade expanded), entire to 2several-lobed, blade generally without scale-like appendages (inner surface), generally without ear-like lobes at base; stamens generally 10, generally fertile, generally free, generally from ovary base; nectaries generally 0; ovary superior, generally 1-chambered, placentas basal or free-central, styles 25 or 1 and 23-branched
Fruit: capsule or utricle (rarely modified, dehiscent), generally sessile
Seeds: appendage generally 0
Genera in family: 85 genera, 2400 species: widespread, especially arctic, alpine, temp, n hemisphere; some cultivated (Agrostemma, Arenaria, Cerastium, Dianthus, Gypsophila, Lychnis, Saponaria, Silene, Vaccaria ).
Annual, perennial herb, erect to mat-forming, taprooted
Stem generally round in X -section
Leaf: blades thread-like to ovate; veins 15
Inflorescence: cyme, terminal or axillary, open to head- or umbel-like; flowers 1many; peduncles and pedicels 050+ mm
Flower: hypanthium barely present; sepals 5, ± free, 1.58 mm, ± lanceolate to widely ovate, glabrous to glandular-hairy; petals 0 or 5, 1.510 mm, entire or notched; stamens inserted on obscure to prominent disk; ovary ± superior, styles 3, 0.52 mm
Fruit: capsule, ovoid to urn-shaped; teeth 6, ascending to recurved
Seeds 115+, grayish, dark brown, reddish brown, yellowish tan, blackish purple, or blackish
Species in genus: 150 species: n temp, especially mtns, arctic Am, Eurasia
Etymology: (Latin: sand, a common habitat)
Reference: [McNeill 1980 Rhodora 82:495502]
Native |
Perennial, tufted, ± green
Stem 840 cm, ± dull, often glandular-hairy
Leaf 1080 mm, 0.52 mm wide, thread- to needle-like, herbaceous or ± fleshy, sharply acute to spine-tipped; vein 1
Inflorescence: cyme, terminal, head- or umbel-like; flowers fewmany, dense to ± open; pedicels < 7 mm
Flower: sepals 36 mm, in fruit < 6.5 mm, rounded to acute; petals 58 mm; nectaries < 0.2 mm, rounded
Seeds 48, 1.43 mm, widely elliptic to ovate, compressed, reddish brown; tubercles low, rounded, often elongate
Ecology: Dry, rocky or sandy slopes, ridges, rock crevices
Elevation: 12003300 m.
Bioregional distribution: Klamath Ranges, High North Coast Ranges, High Cascade Range, High Sierra Nevada, Great Basin Floristic Province, Desert Mountains
Distribution outside California: to Washington, Montana, Colorado
Varieties often intergrade.