EcoFlora - Salix

Salix
Family: Salicaceae	VPAP Gleason & Cronquist Resources JANAS 29(1) PLANTS: Shrubs or trees, not clonal or clonal by root suckers. WINTER BUDS: with one external budscale; budscale margins coalescent or free and overlapping. STEMS: erect or spreading, pendulous in some naturalized trees, flexible or brittle at base, not, or thickly, glaucous. LEAVES: stipules leaf-like, rudimentary or absent, usually not strongly glandular; petioles lacking glandular dots near base of blade, dotted or lobed; proximal leaves on vegetative shoots or leaves on flowering branchlets entire, gland-dotted or toothed; mature blades linear to broadly obovate, the margins entire to toothed, the surfaces hairy, glabrous or becoming so, the hairs white or white and rust-colored. INFLORESCENCE: cylindrical or subspherical catkins, sessile or on short leafy branchlets, emerging before (precocious), with (coetaneous), or after (serotinous) the leaves. FLOWERS: subtended by a bract; pistillate floral bracts persistent after flowering or deciduous; stamens (1-) 2(-8); pistils sessile or stipitate, subtended by 1 to several flattened, rod-like, square or cupulate nectaries. FRUIT: lanceolate or ovate. x = 19, 22. NOTES: Ca. 450 spp. worldwide, especially n temp., arctic. (Ancient name for willow). Argus, G. W. 1986. Syst. Bot. Monog. 9:1-170. Argus, G. W. and C.-E. Granfelt. 1988. Madrofio 35:5. Argus, G.W. & C.L. McJannet. 1992. Brittonia 44: 461-474; Dom, R.D. 1976. Canad. J. Bot. 54: 2769-2789; Dom, R.D. 1977. Rhodora 79: 390-429. Taxonomically difficult and often highly variable. Not all specimens will key easily; sprout shoots and other extreme variants are not included in keys. REFERENCES: Argus, George W. 1995. SalicaceaePart 2. Salix. J. Ariz. - Nev. Acad. Sci. 29(1): 39 Vascular plants of NE US and adjacent Canada Catkins mostly ascending or spreading, seldom drooping, developing before, with, or less often after the lvs, their scales mostly entire, sometimes erose or shallowly toothed at the tip; fls with a single short and broad to slender and elongate ventral protuberance called a gland, or the staminate fls of some spp. also with a dorsal gland; stamens typically 2, seldom only 1 (by fusion of 2), or in some spp. 3-8; stigmas 2, entire or more often bifid; capsules 2-valved; shrubs or less often trees, sometimes depressed and mat-forming; winter-buds covered by a single nonresinous scale. 300+, mainly N. Temp. Taxonomy complicated by hybridization. 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.
Species within checklist: Blue Oak Range \|\| << 1 - 50 taxa >> Salix abscondita Map not Available Salix acmophylla Map not Available Salix acuminata Map not Available Salix acutidens Map not Available Salix adenophylla Map not Available Salix aegyptiaca Map not Available Salix aeruginosa Media not available Map not Available Salix alaxensis Map not Available Salix alba Map not Available Salix albertana Media not available Map not Available Salix aliena Media not available Map not Available Salix alpestris Media not available Map not Available Salix alpina Map not Available Salix altobracensis Map not Available Salix amphibia Map not Available Salix amplifolia Map not Available Salix amygdaloides Map not Available Salix anamesa Media not available Map not Available Salix ancorifera Map not Available Salix anglorum Map not Available Salix angustata Map not Available Salix angustifolia Map not Available Salix apennina Media not available Map not Available Salix apoda Map not Available Salix appendiculata Map not Available Salix aquatica Map not Available Salix arbuscula Map not Available Salix arbusculoides Map not Available Salix arbutifolia Map not Available Salix arctica Map not Available Salix arctolitoralis Map not Available Salix arctophila Map not Available Salix argyrocarpa Map not Available Salix arizonica Map not Available Salix astatulana Map not Available Salix athabascensis Map not Available Salix atra Media not available Map not Available Salix atrocinerea Map not Available Salix aurita Map not Available Salix austinae Map not Available Salix babylonica Map not Available Salix ballii Map not Available Salix balsamifera Map not Available Salix barclayi Map not Available Salix barrattiana Map not Available Salix bebbiana Map not Available Salix bebbii Map not Available Salix behringica Media not available Map not Available Salix berberifolia Map not Available Salix bicolor Map not Available