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Cerastium

Cerastium
Family: Caryophyllaceae
Cerastium image
Max Licher
  • FNA
  • Gleason & Cronquist
  • Resources
John K. Morton in Flora of North America (vol. 5)
Herbs, annual, winter annual, or perennial. Taproots slender, perennial taxa often rhizomatous, rooting at nodes. Stems ascending to erect or decumbent, simple or branched, terete. Leaves basally connate, petiolate (basal in some species) or sessile (cauline); blade 1-5-veined, linear or elliptic to broadly ovate, not succulent (except in C. bialynickii, C. regelii, and C. viride), apex acute to obtuse. Inflorescences terminal, open or congested cymes, or flowers solitary, axillary (racemosely arranged in C. axillare); bracts paired, foliaceous or reduced, herbaceous or often with scarious margins. Pedicels erect, sometimes reflexed or hooked at apex in fruit, or flowers sometimes subsessile (C. regelii). Flowers bisexual, occasionally unisexual and pistillate; perianth and androecium hypogynous or weakly perigynous; hypanthium minimal; sepals (4-)5, distinct, green (red-tipped in C. glomeratum and C. pumilum, often violet-tipped in C. alpinum, purple in C. bialynickii, turning pale orange-brown in fruit in C. texanum), elliptic to ovate, 3-12 mm, herbaceous, margins translucent to purplish, scarious, apex acute, acuminate, or obtuse, not hooded; petals (4-)5 or sometimes absent, white (purple tinged in C. pumilum and C. regelii), clawed, blade apex 2-fid 1/ 1/ 2 of length, notched, or emarginate; nectaries at base of filaments opposite sepals; stamens usually 10, sometimes 5 or 8, occasionally 4; filaments distinct, inserted at base of ovary; staminodes absent or 1-4 (via anther abortion), linear; styles (3-)5(-6), clavate to filiform, 0.5-2 mm, glabrous proximally; stigmas (3-)5(-6), subterminal to linear along adaxial surface of styles, roughened to papillate (30×). Capsules oblong or cylindric, usually ± curved, opening by 10, or occasionally 6 or 8, erect or spreading, convolute or revolute teeth, longer than sepals; carpophore absent. Seeds 15-150+, orange to brown, angular-obovate, often with abaxial groove, laterally compressed, papillate-tuberculate, marginal wing absent, appendage absent. x = [9-, 13, 15] 17, 18, 19.
Vascular plants of NE US and adjacent Canada
As in terminal cymes, or sometimes solitary; sep (4)5; pet (4)5, retuse to bifid or seldom entire, or occasionally wanting; stamens (4-)10; styles (3-)5; capsule usually surpassing the sep, cylindric, membranous, often curved, dehiscent by (6-)10 short apical teeth; seeds numerous, obovate-reniform, dorsally grooved, papillate-tuberculate; low annual or perennial herbs with rather small, opposite, exstipulate lvs. 100, widespread.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
<< 51 - 100 taxa >>
Cerastium illyricum
Media
not available
Map not
Available
Cerastium incanum
Media resource of Cerastium incanum
Map not
Available
Cerastium indicum
Media resource of Cerastium indicum
Map not
Available
Cerastium inflatum
Media resource of Cerastium inflatum
Map not
Available
Cerastium jenisejense
Media resource of Cerastium jenisejense
Map not
Available
Cerastium junceum
Media
not available
Map not
Available
Cerastium juniperorum
Media resource of Cerastium juniperorum
Map not
Available
Cerastium lanatum
Media resource of Cerastium lanatum
Map not
Available
Cerastium lanceolatum
Media resource of Cerastium lanceolatum
Map not
Available
Cerastium lapponicum
Media resource of Cerastium lapponicum
Map not
Available
Cerastium ligusticum
Media resource of Cerastium ligusticum
Map not
Available
Cerastium lithospermifolium
Media resource of Cerastium lithospermifolium
Map not
Available
Cerastium longipedunculatum
Media resource of Cerastium longipedunculatum
Map not
Available
Cerastium lucorum
Media resource of Cerastium lucorum
Map not
Available
Cerastium madrense
Media resource of Cerastium madrense
Map not
Available
Cerastium maximum
Media resource of Cerastium maximum
Map not
Available
Cerastium meridense
Media resource of Cerastium meridense
Map not
Available
Cerastium moesiacum
Media resource of Cerastium moesiacum
Map not
Available
Cerastium molle
Media resource of Cerastium molle
Map not
Available
Cerastium mollissimum
Media resource of Cerastium mollissimum
Map not
Available
Cerastium mucronatum
Media resource of Cerastium mucronatum
Map not
Available
Cerastium multiflorum
Media resource of Cerastium multiflorum
Map not
Available
Cerastium nemorale
Media
not available
Map not
Available
Cerastium nigrescens
Media resource of Cerastium nigrescens
Map not
Available
Cerastium nutans
Media resource of Cerastium nutans
Map not
Available
Cerastium oblongifolium
Media resource of Cerastium oblongifolium
Map not
Available
Cerastium octandrum
Media resource of Cerastium octandrum
Map not
Available
Cerastium oreades
Media resource of Cerastium oreades
Map not
Available
Cerastium orithales
Media resource of Cerastium orithales
Map not
Available
Cerastium pauciflorum
Media resource of Cerastium pauciflorum
Map not
Available
Cerastium pentandrum
Media
not available
Map not
Available
Cerastium perfoliatum
Media resource of Cerastium perfoliatum
Map not
Available
Cerastium polymorphum
Media resource of Cerastium polymorphum
Map not
Available
Cerastium pulchellum
Media resource of Cerastium pulchellum
Map not
Available
Cerastium pumilum
Media resource of Cerastium pumilum
Map not
Available
Cerastium purpurascens
Media resource of Cerastium purpurascens
Map not
Available
Cerastium purpusii
Media resource of Cerastium purpusii
Map not
Available
Cerastium pusillum
Media resource of Cerastium pusillum
Map not
Available
Cerastium pyrenaicum
Media
not available
Map not
Available
Cerastium ramigerum
Media resource of Cerastium ramigerum
Map not
Available
Cerastium ramosissimum
Media resource of Cerastium ramosissimum
Map not
Available
Cerastium rectum
Media
not available
Map not
Available
Cerastium regelii
Media resource of Cerastium regelii
Map not
Available
Cerastium rivulare
Media resource of Cerastium rivulare
Map not
Available
Cerastium rivulariastrum
Media
not available
Map not
Available
Cerastium ruderale
Media
not available
Map not
Available
Cerastium scammaniae
Media
not available
Map not
Available
Cerastium schizopetalum
Media
not available
Map not
Available
Cerastium semidecandrum
Media resource of Cerastium semidecandrum
Map not
Available
Cerastium siculum
Media resource of Cerastium siculum
Map not
Available
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