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

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



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 ).


Annual, erect, taprooted
Leaf: petiole present or 0; blade linear to oblanceolate; vein 1
Inflorescence: cyme, terminal; flowers few, ± open, or flower solitary; peduncles and pedicels 1–7+ cm
Flower: sepals generally 4, free, 3.8–7 mm, lanceolate, glabrous; petals (0)4, 2.5–6 mm, entire; stamens 4 or 8; styles generally 4, 0.2–0.4 mm
Fruit: capsule, cylindric, straight in upper half; teeth 8, rolled under
Seeds many, reddish brown
Species in genus: 6 species: w&c Eur, Medit
Etymology: (C. Moench, German naturalist, 1744–1805)


M. erecta (L.) P. Gaertn., B. Mey. & Scherb. subsp. erecta

Plant glabrous, glaucous
Stem 2.5–15 cm
Leaves: basal ± petioled, 5–18 mm, ± oblanceolate; cauline sessile, 3–12 mm, linear to linear-lanceolate, ascending, rigid
Flower: sepals 3-veined, lateral veins obscure; petals lanceolate, white; styles opposite sepals
Chromosomes: 2n=38
Ecology: Disturbed areas
Elevation: ± 200 m.
Bioregional distribution: n Sierra Nevada Foothills (Butte Co.)
Distribution outside California: native to sw Europe

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