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CARYOPHYLLACEAE PINK FAMILY

Ronald L. Hartman & Richard K. Rabeler, except as noted

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).
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). [Rabeler & Hartman 2005 FNANM 5:3–215] Apetalous Caryophyllaceae can also be keyed in Rabeler & Hartman 2005 FNANM 5:5–8. —Scientific Editor: Thomas J. Rosatti.

Key to Caryophyllaceae

MINUARTIA SANDWORT
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.
175 species: arctic to Mexico, northern Africa, southern Asia. (J. Minuart, Spanish botanist, pharmacist, 1693–1768) [Rabeler et al. 2005 FNANM 5:116–136]
Unabridged references: [Meinke & Zika 1992 Madroño 39: 288–300]

Key to Minuartia

M. pusilla (S. Watson) Mattf. ANNUAL SANDWORT
NATIVE
Annual, simple or branched, 1–5 cm, slender, glabrous, green; taproot thread-like. Stem: spreading to erect. Leaf: 1.5–5 mm, 0.2–1.5 mm wide, << internode, awl-shaped to lanceolate, ± straight, flexible, ± evenly spaced, vein generally 1, often faint; axillary leaves 0. Flower: sepals 1.5–3.5 mm, acute to acuminate, margin not incurved, vein 1, often faint; petals < sepals or 0. Seed: 0.4–0.7 mm; margin thick, purple-brown.
Plains, open pine forest, chaparral slopes; < 2400 m. North Coast, Inner North Coast Ranges, High Sierra Nevada, San Joaquin Valley, Central Western California, Western Transverse Ranges, Peninsular Ranges; to Washington, Colorado. Spring–summer [Online Interchange]

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Next taxon: Minuartia rosei

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 27 2014
Citation for this treatment: [Author of taxon treatment] 2013. Minuartia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33767, accessed on Nov 27 2014

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Geographic subdivisions indicated for the distribution of Minuartia pusilla Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.