Salix sect. Humboldtianae
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 16(2): 199. 1868.
Shrubs or trees, 1–30 m. Branches somewhat brittle, highly brittle, or flexible at base. Leaves: petiole with pairs or clusters of spherical glands distally; largest medial blade relatively narrow (6–37 mm wide), margins flat, (glands marginal), abaxial surface glabrous, glabrescent, puberulent, pubescent, or pilose. Pistillate catkins slender, (5–16 mm wide). Pistillate flowers: ovary glabrous or villous.
Distribution
North America, Mexico, West Indies, Central America, Asia
Discussion
Species 15 (6 in the flora).
Selected References
None.
... more about "Salix sect. Humboldtianae"
absent +
yellow +
dehiscent +
globose +
entire +
absent +
juvenile +
toothed +
pistillate +
deciduous +
flowered +
flowering +
pistillate +
flowering +
slender +
arillate +
absent +
scant +
hairy +
slender +
distinct +
subtending +
pistillate +
capsular +
cluster +
spherical +
arillate +
long +
silky +
fasciculate +
racemose +
flowering +
year-round +
separating +
membranaceous +
foliaceous +
marcescent +
deciduous +
connate +
rudimentary +
2-7[-10]-carpellate +
1-7[-10]-locular +
axile +
parietal +
4;24 +
absent +
absent +
modified +
reduced +
grooved +
glandular-dotted +
absent +
lobed +
fused +
intruded +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1868 +
layering +
layering +
overlapping +
distinct +
overlapping +
distinct +
absent +
3;7 +
not spinose +
erect +
glabrescent;pubescent +
truncate +
non-papillate +
cylindrical +
foliaceous +
absent +
rudimentary +
tapering +
pistillate +
Salix sect. Humboldtianae +
Salix subg. Protitea +
section +