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Vascular Plants of California
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Cerastium beeringianum
BERING MOUSE-EAR CHICKWEED


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. 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.
Genus: CerastiumView DescriptionDichotomous Key


Common Name: MOUSE-EAR CHICKWEED
Habit: Annual, perennial herb, erect to mat-forming; taproot or rhizomes present. Leaf: blade linear to ovate; vein 1; axillary leaf clusters generally 0. Inflorescence: terminal or axillary; flowers few to many, open to dense; pedicels 1--36+ mm. Flower: sepals (4)5, 3--12 mm, free, lanceolate to ovate, hairy to glandular-hairy, hairs generally not exceeding tip; petals 0 or (4)5, 2.5--15 mm, +- 2-lobed, white [purple tinged]; stamens (4,5)10; styles (4)5, 0.5--3.3 mm. Fruit: capsule, cylindric, often +- curved in upper 1/2; teeth (8)10, spreading to recurved. Seed: several to many, pale to red-brown.
Species In Genus: +- 180 species: worldwide, especially northern temperate. Etymology: (Greek: horn, from fruit shape)
Reference: Morton 2005 FNANM 5:74--93
Cerastium beeringianum Cham. & Schltdl.
NATIVE
Habit: Perennial herb, generally not flowering 1st year, 1.5--10 cm, glandular-hairy. Stem: non-flowering (mat-forming) and flowering (+- erect). Leaf: on flower stem 5--15 mm, lanceolate to elliptic. Inflorescence: bracts +- completely not scarious; pedicels in fruit 0.3--2.2 × sepals. Flower: parts 5; calyx 4.5--6 mm, +- glandular-hairy, scarious margin of outer sepals < 0.2 mm wide; petals 6--12 mm, 1.2--2.8 mm > sepals. Fruit: 5.5--8.5 mm. Seed: 0.7--0.8 mm. Chromosomes: 2n=72.
Ecology: Moist, rocky areas, grassy meadows, open slopes; Elevation: 2900--4300 m. Bioregional Distribution: n&c SNH, W&I; Distribution Outside California: to Alaska, Montana, Colorado, New Mexico. Flowering Time: Jul--Aug
Synonyms: Cerastium beeringianum var. capillare Fernald & Wiegand; Cerastium beeringianum subsp. earlei (Rydb.) Hultén
Jepson eFlora Author: Ronald L. Hartman & Richard K. Rabeler
Reference: Morton 2005 FNANM 5:74--93
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Botanical illustration including Cerastium beeringianum

botanical illustration including Cerastium beeringianum

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Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2012, Cerastium beeringianum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=18654, accessed on August 23, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on August 23, 2019.

Cerastium beeringianum
click for enlargement
© 2016 Keir Morse
Cerastium beeringianum
click for enlargement
© 2016 Keir Morse
Cerastium beeringianum
click for enlargement
© 2016 Keir Morse
Cerastium beeringianum
click for enlargement
© 2016 Keir Morse
Cerastium beeringianum
click for enlargement
© 2015 Barry Breckling
Cerastium beeringianum subsp. earlei
click for enlargement
© 2012 Gary A. Monroe

More photos of Cerastium beeringianum subsp. earlei in CalPhotos



Geographic subdivisions for Cerastium beeringianum:
n&c SNH, W&I
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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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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.