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Vascular Plants of California
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Minuartia californica
CALIFORNIA SANDWORT


Higher Taxonomy
Family: CaryophyllaceaeView DescriptionDichotomous Key
Common Name: PINK FAMILY
Habit: Annual to perennial herb; rarely dioecious (Silene), taprooted or rhizome generally slender. Leaf: simple, generally opposite (subwhorled), entire, pairs at nodes often +- connected at bases; stipules generally 0; petiole generally 0. Inflorescence: generally cyme, generally open; flowers 1--many; involucre generally 0 (present in Dianthus, Petrorhagia). Flower: generally bisexual, radial; hypanthium often present but obscure; sepals (4)5, +- free or fused into a tube, margins generally scarious, more so on inner 2 or not, tube generally not scarious, awns generally 0; petals (4)5 or 0, generally tapered to base (or with claw long, limb expanded), entire to 2--several-lobed, limb generally without scale-like appendages adaxially, generally without ear-like lobes at base; stamens generally 10, generally fertile, generally free, generally from ovary base; nectaries 0 or 5; ovary superior, generally 1-chambered, placentas basal or free-central, styles 2--5 with 0 branches or 1 with 2--3 branches. Fruit: capsule or utricle (rarely +- dehiscent), generally sessile. Seed: appendage generally 0 (present in Moehringia).
Genera In Family: 83 or 89 genera, 3000 species: widespread, especially arctic, alpine, temperate northern hemisphere; some cultivated (Agrostemma, Arenaria, Cerastium, Dianthus, Gypsophila, Lychnis, Sagina, Saponaria, Silene, Vaccaria). Note: Apetalous Caryophyllaceae can also be keyed in Rabeler & Hartman 2005 FNANM 5:5--8.
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: MinuartiaView DescriptionDichotomous Key


Common Name: SANDWORT
Habit: Annual, perennial herb, erect to mat-forming, taprooted or rhizomed. Leaf: blade thread-like to awl-shaped or narrowly oblong; veins or ribs 1--3. Inflorescence: terminal or axillary, open to +- dense; flowers 1--many; peduncles, pedicels 0.5--35+ mm. Flower: hypanthium short, obscure; sepals 5, +- free, 1.9--7 mm, +- lanceolate to ovate, glabrous to glandular-hairy; petals 5 or 0, 0.7--10 mm, entire or notched; stamens on an obscure to prominent disk; styles 3, 0.3--2 mm. Fruit: capsule, narrowly ovoid to widely elliptic; valves 3, ascending to recurved. Seed: 1--many, red-tan to red-, purple-, or black-brown.
Species In Genus: 175 species: arctic to Mexico, northern Africa, southern Asia. Etymology: (J. Minuart, Spanish botanist, pharmacist, 1693--1768)
Reference: Rabeler et al. 2005 FNANM 5:116--136
Unabridged Reference: Meinke & Zika 1992 Madroño 39: 288--300
Minuartia californica (A. Gray) Mattf.
NATIVE
Habit: Annual, simple or much-branched, (1)2--12 cm, glabrous, green; taproot thread-like. Stem: widely spreading to erect. Leaf: 2--5 mm, 0.2--1.5 mm wide, << internode, linear to awl-shaped or narrowly oblong, +- straight, flexible, +- evenly spaced; axillary leaves 0. Flower: sepals 2.5--2.8 mm, broadly lanceolate to elliptic, margin not incurved, veins 3, faint, lateral pair rarely extending to tip; petals 1.5--1.8 × sepals. Seed: 0.4--0.5 mm; margin thick, red-brown. Chromosomes: 2n=26.
Ecology: Gravelly, sandy slopes, grassy ridges, chaparral, serpentine or not; Elevation: < 1500 m. Bioregional Distribution: NW, CaR, SNF, c SNH, ScV, CW; Distribution Outside California: southern Oregon. Flowering Time: Spring--summer
Synonyms: Arenaria californica (A. Gray) Brewer; Arenaria pusilla S. Watson var. diffusa Maguire
Jepson eFlora Author: Ronald L. Hartman & Richard K. Rabeler
Reference: Rabeler et al. 2005 FNANM 5:116--136
Unabridged Reference: Meinke & Zika 1992 Madroño 39: 288--300
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Botanical illustration including Minuartia californica

botanical illustration including Minuartia californica

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Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2012, Minuartia californica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=33742, accessed on August 19, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on August 19, 2019.

Minuartia californica
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© 2007 Carol W. Witham
Minuartia californica
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© 2012 Gary A. Monroe
Minuartia californica
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© 2012 Gary A. Monroe
Minuartia californica
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© 2006 Steve Matson
Minuartia californica
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© 2015 Aaron Schusteff
Minuartia californica
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© 2010 Vernon Smith

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Geographic subdivisions for Minuartia californica:
NW, CaR, SNF, c SNH, ScV, CW
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.