Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

CARYOPHYLLACEAE

PINK FAMILY

Ronald L. Hartman (except Silene)

Annual, biennial, perennial herb, rarely dioecious, taprooted or rhizome generally slender
Leaves simple, generally opposite; stipules generally 0; petiole generally 0; blade entire, sheath generally 0
Inflorescence: cyme, generally open; flowers few–many or flower solitary and axillary; involucre generally 0
Flower generally bisexual, radial; hypanthium sometimes present; sepals generally 5, ± free or fused into a tube, tube generally herbaceous between lobes or teeth; awns generally 0; petals generally 5 or 0, generally tapered to base (or with claw long, blade expanded), entire to 2–several-lobed, blade generally without scale-like appendages (inner surface), generally without ear-like lobes at base; stamens generally 10, generally fertile, generally free, generally from ovary base; nectaries generally 0; ovary superior, generally 1-chambered, placentas basal or free-central, styles 2–5 or 1 and 2–3-branched
Fruit: capsule or utricle (rarely modified, dehiscent), generally sessile
Seeds: appendage generally 0
Genera in family: 85 genera, 2400 species: widespread, especially arctic, alpine, temp, n hemisphere; some cultivated (Agrostemma, Arenaria, Cerastium, Dianthus, Gypsophila, Lychnis, Saponaria, Silene, Vaccaria ).

CERASTIUM

MOUSE-EAR CHICKWEED

Annual, perennial herb, erect to mat-forming; taproot or rhizomes present
Leaf: blade linear to ovate; vein 1
Inflorescence: cyme, terminal or axillary; flowers few–many, open to tightly dense; pedicels 1–36+ mm
Flower: sepals 5, 3.5–12 mm, free, lanceolate to ovate, hairy to glandular-hairy; petals 0 or 5, 2.5–15 mm, ± 2-lobed; stamens (5)10; styles 5, 0.5–3.3 mm
Fruit: capsule, cylindric, ± curved in upper 1/2; teeth 10, spreading to recurved
Seeds several–many, pale brown to reddish brown
Species in genus: 60 species: worldwide
Etymology: (Greek: horn, from fruit shape)

Native

C. beeringianum Cham. & Schldl. var. capillare Fernald & Wiegand

Perennial, generally not flowering first year, 1.5–10 cm, glandular-hairy
Stems both vegetative (mat-forming) and flower (± erect)
Leaves: those on flower stem 5–15 mm, lanceolate to elliptic; axillary leaf clusters 0
Inflorescence: bracts ± completely herbaceous; pedicels in fruit 0.3–2.2 X sepals
Flower: calyx 4.5–6 mm, ± glandular-hairy, with 0 long hairs > tip, scarious margin of outer sepals < 0.2 mm wide; petals 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: c High Sierra Nevada, White and Inyo Mountains
Distribution outside California: to Washington, Montana, Colorado
Flowering time: Jul–Aug
Synonyms: subsp. earlei (Rydb.) Hultén

previous taxon | next taxon
bioregional map for CERASTIUM%20beeringianum%20var.%20capillare being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Cerastium beeringianum var. capillare
Retrieve dichotomous key for Cerastium
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California