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.
Common Name: CHICKWEED, STARWORT Habit: Annual, perennial herb, erect to prostrate; taprooted, rhizomed. Stem: 4-angled or round. Leaf: petioled or not; linear to ovate, vein 1. Inflorescence: terminal or axillary, umbel-like or not, open to dense; flowers 1--many (if 1, axillary); peduncles, pedicels 0.8--50+ mm. Flower: sepals (4)5, free, 1.5--5.5 mm, lanceolate to ovate, glabrous to glandular-hairy; petals 0 or (1)5, 0.8--7 mm, 2-lobed > 1/2 to base; stamens 10 or fewer; styles 3(4--5 in Stellaria calycantha), 0.2--2.8 mm. Fruit: capsule, +- ovoid or spheric to cylindric-oblong; valves 6(8,10), ascending to recurved. Seed: several to many, brown to +- yellow, +- red, or purple-brown. Species In Genus: +- 190 species: worldwide. Etymology: (Latin: star, from flower shape) Note: Presence of papillae on leaf margins determined at 20×. Reference: Morton 2005 FNANM 5:96--114 Unabridged Reference: Chinnappa & Morton 1991 Rhodora 93:129--135; Morton & Rabeler 1989 Canad J Bot 67:121--127; Morton 2005 FNANM 5:96--114
Stellaria obtusa Engelm.
NATIVE Habit: Perennial herb, generally prostrate, 4--20 cm, generally glabrous; rhizome white. Stem: internodes glabrous. Leaf: +- evenly spaced; blade 5--12 mm, +- ovate; margin +- not papillate, +- flat, shiny, generally ciliate near base. Inflorescence: flowers 1 in axils; pedicels ascending, in fruit spreading to reflexed. Flower: sepals generally 4, 1.5--3.5 mm, +- ovate, +- obtuse, glabrous, margin +- thinly scarious, rib 1, obscure; petals 0. Seed: 0.6--0.7 mm, dark brown, tubercles low, +- elongate. Chromosomes: 2n=26,52,+-65,+-78. Ecology: Moist areas in woodland, shaded edges of creeks; Elevation: 1600--2000 m. Bioregional Distribution: NCoR, CaR, c SNF, n&c SNH, MP; Distribution Outside California: to British Columbia, Montana, Colorado. Flowering Time: Late spring--summer Jepson eFlora Author: Ronald L. Hartman & Richard K. Rabeler Reference: Morton 2005 FNANM 5:96--114 Jepson Online Interchange Listed on CNPS Rare Plant Inventory Previous taxon: Stellaria nitens Next taxon: Stellaria pallida
Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2012, Stellaria obtusa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=45504, accessed on October 23, 2019.
Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on October 23, 2019.
No expert verified images found for Stellaria obtusa.
Geographic subdivisions for Stellaria obtusa:
NCoR, CaR, c SNF, n&c SNH, MP
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Duplicates counted once; synonyms included.
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Blue line denotes eFlora flowering time.
