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Salicaceae

Salicaceae
Salicaceae image
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George W. Argus, James E. Eckenwalder, Robert W. Kiger in Flora of North America (vol. 7)
Shrubs or trees, heterophyllous or not, sometimes clonal, forming clones by root shoots, rhizomes, layering, or stem fragmentation; glabrous or glabrescent to pubescent; branching monopodial or sympodial. Stems erect to pendent; branched. Leaves persistent, deciduous or marcescent, alternate (opposite or subopposite in Salix purpurea), spirally arranged, simple; stipules present or not; petiole present; blade margins toothed or entire, sometimes glandular. Peduncles present or absent. Inflorescences racemose or spicate, usually catkins, unbranched, sometimes fasciculate or racemelike cymes, flowering before or as leaves emerge or year-round; floral bract (1) subtending each flower, displaced onto pedicel or distinct, scalelike, apex entire, toothed, or laciniate; bract subtending pistillate flower deciduous or persistent. Pedicels present or absent. Flowers usually unisexual, sometimes bisexual, usually staminate and pistillate on different plants; sepals present or absent, or perianth modified into 1 or 2 nectaries, or a non-nectariferous disc; stamens 1-60(-70); filaments distinct or connate basally, slender; anthers longitudinally dehiscent; ovary 1, 2-7[-10]-carpellate, 1-7[-10]-locular; placentation usually parietal, sometimes axile on intruded, fused placentae; ovules 1-25 per ovary; style 1 per carpel, distinct or connate; stigmas 2-4, truncate, notched-capitate, or 2- or 3-lobed. Fruits capsular, baccate, or drupaceous. Seeds sometimes surrounded by arillate coma of relatively long, silky hairs; endosperm scant or absent.
JANAS 26(1)
PLANT: Dioecious, deciduous trees and shrubs. LEAVES: alternate, simple, stipulate, usually serrate, the teeth tipped by minute glands, the stipules sometimes suppressed. INFLORESCENCE: bracteate catkins, the staminate falling after anthesis, the pistillate persisting until seed release. FLOWERS: without a perianth; stamens 2-80; pistils 2-4-carpelled, unilocular, the placentae parietal, the ovary superior. FRUITS: valvately dehiscent capsules. SEEDS: with long, cottony hairs. NOTES: 2-3 genera, over 500 spp., chiefly boreal and temperate, as pioneers in moist habitats of the N Hemisphere. REFERENCES: Eckenwalder, James E. 1992. Salicaceae. Ariz.-Nev. Acad. Sci. 26(1)2.
Species within checklist: Denver-Boulder Metropolitan Area || << 1 - 50 taxa >>
Populus acuminata
Media resource of Populus acuminata
Populus alba
Media resource of Populus alba
Populus angustifolia
Media resource of Populus angustifolia
Populus balsamifera
Media resource of Populus balsamifera
Populus deltoides
Media resource of Populus deltoides
Populus eugenei
Media resource of Populus eugenei
Populus nigra
Media resource of Populus nigra
Populus tremuloides
Media resource of Populus tremuloides
Populus x acuminata
Media resource of Populus x acuminata
Salix alba
Media resource of Salix alba
Salix amygdaloides
Media resource of Salix amygdaloides
Salix anglorum
Media resource of Salix anglorum
Salix arctica
Media resource of Salix arctica
Salix babylonica
Media resource of Salix babylonica
Salix bebbiana
Media resource of Salix bebbiana
Salix boothii
Media resource of Salix boothii
Salix brachycarpa
Media resource of Salix brachycarpa
Salix calcicola
Media resource of Salix calcicola
Salix candida
Media resource of Salix candida
Salix discolor
Media resource of Salix discolor
Salix drummondiana
Media resource of Salix drummondiana
Salix eriocephala
Media resource of Salix eriocephala
Salix exigua
Media resource of Salix exigua
Salix famelica
Media resource of Salix famelica
Salix geyeriana
Media resource of Salix geyeriana
Salix glauca
Media resource of Salix glauca
Salix glaucops
Media resource of Salix glaucops
Salix interior
Media resource of Salix interior
Salix irrorata
Media resource of Salix irrorata
Salix lanata
Media resource of Salix lanata
Salix lasiandra
Media resource of Salix lasiandra
Salix ligulifolia
Media resource of Salix ligulifolia
Salix lucida
Media resource of Salix lucida
Salix lutea
Media resource of Salix lutea
Salix melanopsis
Media resource of Salix melanopsis
Salix monticola
Media resource of Salix monticola
Salix myrtillifolia
Media resource of Salix myrtillifolia
Salix nigra
Media resource of Salix nigra
Salix nivalis
Media resource of Salix nivalis
Salix pellita
Media resource of Salix pellita
Salix pentandra
Media resource of Salix pentandra
Salix petiolaris
Media resource of Salix petiolaris
Salix petrophila
Media resource of Salix petrophila
Salix planifolia
Media resource of Salix planifolia
Salix pseudolapponum
Media resource of Salix pseudolapponum
Salix purpurea
Media resource of Salix purpurea
Salix reticulata
Media resource of Salix reticulata
Salix scouleriana
Media resource of Salix scouleriana
Salix serissima
Media resource of Salix serissima
Salix subcoerulea
Media resource of Salix subcoerulea
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