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Sagina apetala
DWARF PEARLWORT

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: SaginaView DescriptionDichotomous Key

Common Name: PEARLWORT
Habit: Annual, perennial herb, tufted to matted, taprooted. Leaf: linear to awl-shaped, generally not fleshy; vein 0--1. Inflorescence: terminal or axillary; flower 1; pedicels 2--30 mm. Flower: sepals 4--5, free, 1.3--3.5 mm, lanceolate to ovate, glabrous to glandular-hairy; petals 0 or 4--5, 1--3 mm, entire or notched; stamens 4, 5, 8, 10; styles 4--5, 0.1--0.6 mm. Fruit: capsule, ovoid; valves 4--5, spreading to recurved. Seed: many, generally obliquely triangular, +- compressed, brown or red-brown.
Species In Genus: +- 25 species: northern temperate, tropical mountains. Etymology: (Latin: fatten, from early use as forage)

Sagina apetala Ard.
NATURALIZED
Habit: Annual (1.5)3--8 cm, +- glandular-hairy distally; sterile basal rosettes 0. Stem: thread-like, erect to decumbent. Leaf: upper minutely ciliate near base; blade 3--9(12) mm, narrowly linear. Inflorescence: pedicels 2--8(12) mm, thread-like, generally straight, glandular-hairy. Flower: sepals 4(5), +- appressed in fruit, 1.5--2 mm, +- glandular-hairy; petals 0(4), minute, < sepals; stamens generally 4. Fruit: 1--1.2 × sepals. Seed: 0.2--0.3 mm, roughened or papillate, brown; back grooved. Chromosomes: 2n=12.
Ecology: Sandy disturbed areas, river bars, streamsides; Elevation: < 700 m. Bioregional Distribution: NW, CaR, n&c SN, GV, CCo, SCoRO, SCo, n ChI, PR; Distribution Outside California: British Columbia, Kansas, formerly elsewhere in eastern North America; native to Europe. Flowering Time: Spring--early summer
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler
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Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2016. Sagina apetala, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42572, accessed on April 28, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 28, 2016.


Sagina apetala
click for enlargement
© 2011 Barry Breckling
Sagina apetala
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© 2007 Keir Morse
Sagina apetala
click for enlargement
© 2011 Barry Breckling

More photos of Sagina apetala in CalPhotos


Geographic subdivisions for Sagina apetala:
NW, CaR, n&c SN, GV, CCo, SCoRO, SCo, n ChI, PR;
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.