Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

CARYOPHYLLACEAE

PINK FAMILY

Ronald L. Hartman (except Silene)

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 few–many 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 2–several-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 2–5 or 1 and 2–3-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 ).

SAGINA

PEARLWORT

Annual, perennial herb, tufted to matted, taprooted
Leaf: blade linear to awl-shaped; vein 0–1
Inflorescence: flower solitary, terminal or axillary; 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 sometimes notched; stamens 4, 5, 8, or 10; styles 4–5, 0.1–0.6 mm
Fruit: capsule, ovoid; valves 4–5, spreading to recurved
Seeds few–many, brown or reddish brown
Species in genus: 25 species: n temp, tropical mtns
Etymology: (Latin: fattening, once applied to Spergula , used as early forage)
Reference: [Crow 1978 Rhodora 80:1–91]

Native

S. decumbens (Elliott) Torr. & A. Gray subsp. occidentalis (S. Watson) G. Crow

WESTERN PEARLWORT

Annual (2)4–16 cm, glabrous or ± glandular-hairy above; sterile basal rosettes 0
Stem thread-like, generally erect or ascending
Leaf not fleshy, glabrous; blade 4–20 mm, narrowly linear
Inflorescence: pedicels 2–14(20) mm, thread-like, generally straight, glabrous or ± glandular-hairy
Flower: sepals generally 5, ± appressed in fruit, 1.7–2.1(2.5) mm, ± glandular-hairy; petals generally 5, ± = sepals; stamens 5 or 10
Fruit 1.2–1.7 X sepals
Seed ± 0.4 mm, obliquely triangular, ± compressed, smooth to slightly roughened, brown; back grooved
Ecology: Dry streams, chaparral, grassy areas, rock outcrops, vernal pools
Elevation: < 2000 m.
Bioregional distribution: Northwestern California, n&c Sierra Nevada, Great Central Valley, Central Coast, San Francisco Bay Area, South Coast, Channel Islands, Peninsular Ranges
Distribution outside California: to British Columbia
Synonyms: S. occidentalis S. Watson

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bioregional map for SAGINA%20decumbens%20subsp.%20occidentalis being generated
 
N.B. The distribution depicted here differs from that given in The Jepson Manual (1993)

Retrieve Jepson Interchange Index to Plant Names entry for Sagina decumbens subsp. occidentalis
Retrieve dichotomous key for Sagina
Overlay Consortium of California Herbaria specimen data by county on this map
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