|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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 or rhizomed
Leaf: blade thread-like to awl-shaped or narrowly oblong; veins or ribs 13
Inflorescence: cyme, terminal or axillary; flowers 2many, open to ± dense, or flower solitary; peduncles and pedicels 0.535+ mm
Flower: hypanthium short, obscure; sepals 5, ± free, 1.97 mm, ± lanceolate to ovate, glabrous to glandular-hairy; petals 5 or 0, 0.710 mm, entire or notched; stamens arising from an obscure to prominent disk; styles 3, 0.32 mm
Fruit: capsule, narrowly ovoid to widely elliptic; teeth 3, ascending to recurved
Seeds 1many, reddish tan to reddish, purplish, or blackish brown
Species in genus: 120 species: arctic to Mex, n Africa, s Asia
Etymology: (J. Minuart, Spanish botanist & pharmacist, 16931768)
Reference: [McNeill 1980 Rhodora 82: 495502]
Perennial, mat-forming, 520 cm, glaucous, generally glabrous; taproot > 3 mm diam; rhizomes and trailing stems 520+ cmSee the CNPS Inventory for information about endangerment and rarity.
Stem in flower ascending to erect
Leaves 415 mm, ± 0.51.2 mm wide, > internodes, needle-like, straight or curved, ± flexible, ± evenly spaced; axillary leaves well developed
Inflorescence often glandular-hairy
Flower: sepals 2.54 mm, acute to acuminate, margin not incurved, vein obscure; petals 1.42.2 X sepals
Seed 2.32.8 mm; margin thick, reddish brown to brown
Ecology: UNCOMMON. Open serpentine slopes with scattered oak and Jeffrey pine
Elevation: 7501350 m.
Bioregional distribution: Klamath Ranges, High North Coast Ranges
Synonyms: Arenaria r. Maguire & Barneby
Horticultural information: TRY; DFCLT.