Jepson Flora Project: Jepson Interchange    

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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 to prostrate, taprooted
Leaf: stipules 0.4–1.2 mm, bristle-like, scarious, entire, ± white; blade awl-like to oblong; vein 0–1
Inflorescence axillary, sessile; flowers 1–2
Flower: sepals 5, 2.7–6 mm, ± free, ± lanceolate, glandular-hairy; petals 0 or rudimentary; stamens 3–5; styles 3, < 0.1 mm
Fruit: capsule, lanceolate to ovoid; valves 3, ± recurved at tip
Seeds many, tan with reddish brown band on curved edge
Species in genus: 7 species: North America., Medit
Etymology: (P. Loefling, Swedish botanist & explorer, 1729–1756)
Reference: [Barneby & Twisselmann 1970 Madroño 20:398–408]


L. squarrosa Nutt.

Plant 1–7 cm, much-branched at base, glandular-hairy, ± fleshy
Stem stiff
Leaf: blade 2–7 mm, erect to ± recurved, bristly; base generally fused into a short scarious sheath; tip blunt to spine-tipped
Flower cleistogamous; sepals spine-tipped, becoming hardened, margin often scarious
Fruit 0.5–0.8 X sepals, 3-angled
Seed 0.4–0.6 mm, minutely papillate on flat edge
Ecology: Sandy, gravelly areas
Elevation: < 1200 m.
Bioregional distribution: Tehachapi Mountain Area, San Joaquin Valley, San Francisco Bay Area, South Coast, Peninsular Ranges, Great Basin Floristic Province, Mojave Desert
Distribution outside California: to Oregon, NE, Texas, n Baja California


var. squarrosa

Leaf: stipules 0.5–1.2 mm; blade generally 3–7 mm, needle- to awl-like, generally ± recurved; tip with spine
Flower: sepals generally ± 3.5–6 mm, in fruit unequal and tip strongly recurved, lateral spurs often present, bristly
Fruit 2.6–3.7 mm, 3–4 X longer than wide
Ecology: Sandy and gravelly soil of hills, mesas, dunes, sometimes disturbed areas
Elevation: < 1200 m.
Bioregional distribution: Tehachapi Mountain Area, San Joaquin Valley, San Francisco Bay Area (Santa Cruz Co.), South Coast, Peninsular Ranges
Distribution outside California: n Baja California
Synonyms: L. pusilla Curran

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bioregional map for LOEFLINGIA%20squarrosa%20var.%20squarrosa being generated

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