Bromus pubescens (Hairy Woodland Brome) - Minnesota …
WEBSheath edges are fused for most of their length (a closed sheath), usually covered in spreading or downward pointing (retrorse) hairs, rarely hairless. The ligule (membrane where the leaf joins the sheath) is membranous, .5 to 2 mm long, jagged along the top edge and lacks a fringe of hairs.
Bromus japonicus (Japanese Brome) - Minnesota Wildflowers
WEBLeaf blades are spreading to ascending, flat, 2 to 6 inches long, 3 to 6 mm (to ¼ inch) wide, hairy with sparse to moderate long, spreading or crinkly hairs. Sheath edges are fused for most of their length (a closed sheath), densely covered in long, downward pointing (retrorse) hairs, the hairs often more crinkly near the sheath tip.
Myosotis retrorsa - Wikipedia
WEBThe lower surface of the leaf is sparsely to densely covered in flexuous, appressed to patent, retrorse (backward-facing) hairs, sometimes mixed with antrorse hairs, that are parallel or angled relative to the mid vein.
Myosotis venticola - Wikipedia
WEBThe hairs on the undersurface of the leaf are similar but mostly retrorse, with some antrorse hairs near the apex. Each rosette has 3–16 prostrate to ascending, unbranched bracteate inflorescences that are up to 47 mm long.
Carex retrorsa — retrorse sedge - Go Botany
WEBRetrorse sedge inhabits gets its name from the fact that the lower perigynia on the spike point roughly downward along the stem. It inhabits stream and lake shores, swamps, marshes and grassy meadows throughout New England.
Leersia oryzoides (Rice Cutgrass) - Minnesota Wildflowers
WEBNodes are densely hairy with downward pointing (retrorse) hairs. Stems are hairless to sparsely rough hairy, unbranched, erect or prostrate from the base then rising near the tip (decumbent) and rooting at the nodes, single or multiple …
Myosotis oreophila - Wikipedia
WEBMyosotis oreophila can be distinguished from almost all other species of southern hemisphere Myosotis by hairs mixed with antrorse (forward-facing) hairs on the upper side of the leaves. The only other species that has this trait is M. venticola. Phylogeny
American Journal of Botany - Botanical Society of America
WEBDec 21, 2021 · They found structures such as retrorse hairs, which act as mechanical barriers and deter prey escape, as well as a gradient of gland types.
American Journal of Botany - Botanical Society of America
WEBOct 14, 2021 · Inside the side arms and the neck, there are rows of aligned hairs, which all point in the direction of the digestive chamber (Figure 1C, D ). These retrorse hairs consist of a basal cell, one or two middle cells, and a terminal cell (Lloyd, 1942; Reut, 1993; Fleischmann, 2012 ).
Flora of New Zealand | Taxon Profile | Geranium retrorsum
WEBFlowering stems with dense retrorse hairs or occasionally glabrescent; bracteoles linear to narrowly triangular; fls usually in pairs, occasionally solitary. Sepals c. 5 × 3 mm excluding awn, ovate or elliptic-ovate; awn to 1 mm long; hairs …