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Stellaria borealis subsp. sitchana
SITKA STARWORT

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.
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: StellariaView DescriptionDichotomous Key

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×.

Stellaria borealis Bigelow subsp. sitchana (Steud.) Piper & Beattie
NATIVE
Habit: Perennial herb, sprawling to erect, 15--50 cm, +- glabrous; rhizome white. Stem: internodes generally finely papillate. Leaf: +- evenly spaced; blade 15--45 mm, +- lanceolate to widely so; margin papillate, flat, dull, sometimes ciliate near base. Inflorescence: terminal or axillary, several to many-flowered; bracts leaf-like; pedicels erect to ascending, in fruit curved to reflexed. Flower: sepals 5, 3--3.5 mm, < 4.5 mm in fruit, lanceolate, acute, glabrous, margin +- widely scarious, ribs in fruit generally 3, prominent; petals (0)1--5, 0.5--0.8 × sepals; styles generally 0.9--1.6 mm, slender, straight (often contorted on dried specimens). Seed: 1--1.2 mm, dark red-brown, tubercles low, elongate. Chromosomes: 2n=52.
Ecology: Sedge stands, meadows, streambanks, swamps, moist woodland; Elevation: < 2100 m. Bioregional Distribution: NCo, NCoRO, CaRH, c&s SNF, SNH, CCo; Distribution Outside California: to Alaska, Montana, South Dakota, Utah. Flowering Time: May--Sep Note: Plants from > 1000 m in central and southern SNF, SNH often have ovate-elliptic leaves and resemble Stellaria crispa. Stellaria borealis subsp. borealis erroneously reported for California in FNANM (Morton 2005).
Synonyms: Stellaria calycantha (Ledeb.) Bong. var. sitchana (Steud.) Fernald; Stellaria sitchana Steud. var. bongardiana (Fernald) Hultén; Stellaria calycantha var. bongardiana (Fernald) Fernald; Stellaria borealis Bigelow var. bongardiana Fernald
Unabridged Note: 1 other subsp., Nevada to Alaska, Greenland, northeastern United States (except plains states).
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler
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Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2016. Stellaria borealis subsp. sitchana, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=53119, accessed on August 30, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 30, 2016.


Stellaria borealis subsp. sitchana
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© 2009 Keir Morse

More photos of Stellaria borealis subsp. sitchana in CalPhotos


Geographic subdivisions for Stellaria borealis subsp. sitchana:
NCo, NCoRO, CaRH, c&s SNF, SNH, CCo;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.