Key to Tetrapteron
View taxon page for Tetrapteron
(For a list of species in Tetrapteron, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Leaf linear Elongate, with nearly parallel sides; narrower than elliptic or oblong.
to narrowly
lanceolate Narrowly elongate, widest in the basal half, often tapered to an acute tip.
or oblanceolate;
petals 5–18 mm;
hypanthium Structure generally in the shape of a tube, cup, or bowl, derived from the fused lower portions of the perianth and stamens, from which these parts seem to arise, and to which the ovary wall is fused in an inferior ovary (to which the ovary wall is partially fused in a half-inferior ovary; from which the ovary is free in a superior ovary).
1.6–3.2 mm; plant densely spreading-hairy
..... T. graciliflorum 1' Leaf narrowly oblanceolate; petals 2–3.5 mm; hypanthium 0.8–1.3 mm; plant
strigose With stiff, straight, sharp, appressed hairs.
and sparsely spreading-hairy
..... T. palmeri
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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
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