Salix

Contains 6 accepted taxa overall.

Characteristics
Salix L.
SALICACEAE
WILLOW
View USF Herbarium specimens of this family
Classification
MALPIGHIALES
Salix
Citation
SALIX Linnaeus, Sp. Pl. 1015. 1753, nom. cons.
-
TYPE: Salix alba Linnaeus 1753, typ. cons.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Salix babylonica WEEPING WILLOW Not Native FACW (NWPL) OBL (DEP)
Salix caroliniana CAROLINA WILLOW; COASTALPLAIN WILLOW Native OBL (NWPL) OD (WAP) OBL (DEP)
Salix eriocephala MISSOURI RIVER WILLOW; HEART-LEAVED WILLOW Native Rare-State FACW (NWPL) OBL (DEP)
Salix floridana FLORIDA WILLOW Native Rare-State FACW (NWPL) OBL (DEP)
Salix humilis DWARF WILLOW; PRAIRIE WILLOW Native FACU (NWPL) OBL (DEP)
Salix nigra BLACK WILLOW Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Leaf blade margin entire, undulate, to obscurely toothed near the apex
S. humilis
1.  Leaf blade margin regularly toothed
2
2.  Mature leaf blades oblong to broadly lanceolate, the tip acute to abruptly acuminate, 2.5-5 cm wide, 2.4-3 times longer than wide
S. floridana
2.  Mature leaf blades linear-lanceolate to lanceolate, the tip tapered-acue, 0.5-3.5 cm wide, 3-14 times longer than wide
3
3.  Shrub to 6 m, with several main stems; foliaceous stipules often present; leaf blade base rounded to subcordate, larger blades 2-3.5 cm wide
S. eriocephala
3.  Shrub or tree to 20 m, mostly with one to few trunks or main stems; foliaceous stipules present or absent; leaf blade base usually cuneate, acute, to obtuse, larger blades 0.5-2.5 cm wide
4
4.  Bud-scale margins connate; catkin 0.9-3.5 cm long, branchlet 0-6 mm long; stamens usually 2, sometimes 1; pistillate bracts persistent
S. babylonica
4.  Bud-scale margins distinct, overlapping; catkin 2.5-10 cm long, branchlet 4-35 mm long; stamens 3-7(-9); pistillate bracts deciduous after flowering
5
5.  Shrubs to trees to 10 m; largest medial blades: abaxial surface glaucous; pistillate bracts deciduous or persistent after flowering; pistillate stipe 1.3-5.3 mm long
S. caroliniana
5.  Trees to 20+ m; largest medial blades: abaxial surface not glaucous, occasionally thinly glaucous; pistillate bracts deciduous after flowering; pistillate stipe 0.5-1.5 mm long
S. nigra
Genus Synonyms
Synonym Full Citation Basionym Type
Amerina Amerina Rafinesque Alsogr. Amer. 15. 1838. TYPE: Salix pentandra Linnaeus Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Amerix Amerix Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Non designatus.
Argorips Argorips Rafinesque Alsogr. Amer. 13. 1838. TYPE: Salix alba Linnaeus Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Biggina Biggina Rafinesque Alsogr. Amer. 14. 1838. TYPE: Salix angustata Pursh Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Chalebus Chalebus Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Non designatus.
Chamitea Chamitea (Dumortier) A. Kerner, Verh. K.K. Zool.-Bot. Ges. Wien 10: 275. 1860. BASIONYM: Salix Linnaeus, sect. Chamitea Dumortier, Verh. Gesl. Wilgen 15. 1825. TYPE: Salix reticulata Linnaeus 1753. Lectotypified by Skvortsov, Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 1, Fl. Sist. Vyss. Rast. 1968: 62-72. 1968. = Nectusion Rafinesque 1838, by lectotypification.
Diamarips Diamarips Rafinesque Alsogr. Amer. 15. 1838. TYPE: = Disynia Rafinesque 1817, by lectotypification.
Diplima Diplima Rafinesque Alsogr. Amer. 13. 1838. TYPE: Diplima chrysantha (Vahl) Rafinesque 1838. (Salix chrysantha Vahl 1792.) Lectotypified by G. S. Lim et al., Rhodora 115: 176. 2013.
Diplopia Diplopia Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Salix undulata Ehrhart 1791. Neotypified by Argus, Syst. Bot. Monogr. 52: 48. 1997.
Diplusion Diplusion Rafinesque Alsogr. Amer. 15. 1838. TYPE: = Diplopia Rafinesque 1817, by lectotypification.
Disynia Disynia Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Salix rubra Hudson 1762. Neotypified by Argus, Syst. Bot. Monogr. 52: 48. 1997.
Melanix Melanix Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Non designatus.
Nectolis Nectolis Rafinesque Alsogr. Amer. 15. 1838. TYPE: Salix vitellina Linnaeus Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Nectopix Nectopix Rafinesque Alsogr. Amer. 14. 1838. TYPE: Salix caprea Linnaeus Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Nectusion Nectusion Rafinesque Alsogr. Amer. 14. 1838. TYPE: Nectusion reticulata (Linnaeus) Rafinesque (Salix reticulata Linnaeus)
Nestylix Nestylix Rafinesque Alsogr. Amer. 15. 1838. TYPE: = Opodix Rafinesque 1817, by lectotypification.
Oisodix Oisodix Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Salix holosericea Willdenow 1806. Neotypified by Argus, Syst. Bot. Monogr. 52: 48. 1997.
Opodix Opodix Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Salix triandra Linnaeus 1753. Neotypified by Argus, Syst. Bot. Monogr. 52: 48. 1997.
Pleiarina Pleiarina Rafinesque Alsogr. Amer. 15. 1838. TYPE: Pleiarina humboldtiana (Willdenow) Rafinesque (Salix humboldtiana Willdenow)
Psatherips Psatherips Rafinesque Alsogr. Amer. 15. 1838. TYPE: Psatherips fragilis (Linnaeus) Rafinesque (Salix fragilis Linnaeus)
Ripselaxis Ripselaxis Rafinesque Alsogr. Amer. 14. 1838. TYPE: Ripselaxis herbacea (Linnaeus) Rafinesque (Salix herbacea Linnaeus)
Ripsoctis Ripsoctis Rafinesque Alsogr. Amer. 15. 1838. TYPE: Ripsoctis indica Rafinesque, nom. illegit. (Salix tetrasperma Roxburgh) Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Sokolofia Sokolofia Rafinesque Alsogr. Amer. 14. 1838. TYPE: Sokolofia rupestris (Donn ex Smith) Rafinesque (Salix rupestris Donn ex Smith)
Telesmia Telesmia Rafinesque Alsogr. Amer. 15. 1838. TYPE: Telesmia hermaphroditica (Linnaeus) Rafinesque (Salix hermaphroditica Linnaeus)
Toisusu Toisusu Kimura, Bot. Mag. (Tokyo) 42: 288. 1928. TYPE: Toisusu cardiophylla (Trautvetter ex C. A. Meyer) Kimura 1928. (Salix cardiophylla Trautvetter ex C. A. Meyer 1856.)
Urnectis Urnectis Rafinesque Alsogr. Amer. 14. 1838. TYPE: Urnectis hirta (Smith) Rafinesque (Salix hirta Smith)
Usionis Usionis Rafinesque Alsogr. Amer. 14. 1838. TYPE: Salix aquatica Seringe Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Vetrix Vetrix Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Salix purpurea Linnaeus 1753. Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.
Vimen Vimen Rafinesque, Amer. Monthly Mag. & Crit. Rev. 1: 439. 1817. TYPE: Salix repens Linnaeus 1753. Lectotypified by Argus, Syst. Bot. Monogr. 52: 49. 1997.