Key to Rhinotropis
View taxon page for Rhinotropis
(For a list of species in Rhinotropis, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Inflorescence thornless
2' At least some flowers > 7 mm, opening, keel petal beaked
3. Flower 9–14.5 mm (occasionally 2.5–5 mm cleistogamous flowers near plant base), keel petal
beak oblong Longer than wide, with nearly parallel sides; wider than linear.
, generally notched or contorted, ± 0.7–1 mm diam near tip;
aril glabrous ..... R. californica (2)
3' Flower 7–14 mm, of 1 kind, keel petal beak
linear Elongate, with nearly parallel sides; narrower than elliptic or oblong.
,
entire Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.).
, ± 0.2 mm diam near tip; aril hairy
..... R. cornuta 4. Flower 8.5–14 mm,
wings dense-puberulent; upper
sepal generally
acute Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.
to
acuminate Having a long-tapered, sharp tip, the sides concave.
..... var. cornuta 4' Flower 7–11.2 mm, wings generally
ciliate Having generally straight, conspicuous hairs along margins or edges.
, surface glabrous or
puberulent Minutely hairy.
only near tip; upper sepal generally rounded to
obtuse Having a short-tapered, blunt tip or base, the sides convex or straight and converging at more than a right angle.
..... var. fishiae 1' Inflorescence thorn-tipped
5. Flower 2.5–5.3 mm, wings cream or ± green;
twigs densely hairy
6' Pedicels glabrous; outer sepals glabrous or ciliate, occasionally sparsely hairy near tip;
leaf Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets).
hairs incurved or
appressed Parallel or nearly parallel to and often in contact with surface of origin; used to describe the disposition of hairs, leaves, pedicels, etc.
..... R. intermontana 5' Flower 6–13.5 mm, wings pink; twigs glabrous to short-stiff-hairy
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