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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

PSEUDOSTELLARIA
Perennial herb, sprawling to erect, rhizomed. Leaf: blade linear to ± lanceolate or elliptic; vein 1. Inflorescence: terminal or axillary; flowers 1–many. Flower: hypanthium 0; sepals 5, free, 3–7 mm, lanceolate to ± ovate, glandular-hairy or glabrous, margin scarious; petals 5, 5–9.5 mm, 2-lobed < 1/5 to base; stamens on ovary base; styles 3, 2–4.5 mm. Fruit: capsule, spheric; valves 3, ± 2–3 × recoiled. Seed: 1–2, red-brown to brown.
21 species: western United States, Europe, central and eastern Asia. (Latin: false Stellaria) [Hartman & Rabeler 2005 FNANM 5:114–116]
Unabridged references: [Weber & Hartman 1979 Phytologia 44:313–314; Rabeler & Hartman 2002 Novon 12:82–86]

Key to Pseudostellaria

P. sierrae Rabeler & R.L. Hartm. SIERRA STARWORT
NATIVE
Plant 9–27 cm, glabrous; rhizomes with ± vertical, fleshy roots enlarged toward tips. Stem: simple or branched, ascending to erect, round (angled or grooved when pressed). Leaf: 7–35 mm, ± equal throughout, thick; margin ± smooth. Inflorescence: pedicels in fruit abruptly bent downward near upper end. Seed: 3–3.4 mm.
Meadows, dry understory of mixed oak or conifer forest; 1400–2000 m. n&c High Sierra Nevada. First collected 1878; named, described 2002. Summer [Online Interchange] {CNPS list}

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Next taxon: Sagina

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 26 2014
Citation for this treatment: [Author of taxon treatment] 2013. Pseudostellaria, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=79988, accessed on Jul 26 2014

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click for enlargement Pseudostellaria sierrae
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2008 Sierra Pacific Industries

Bioregions in which Pseudostellaria sierrae occurs 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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CCH collections by month

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