Key to Hibiscus
View taxon page for Hibiscus
(For a list of species in Hibiscus, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Annual;
petals yellow with dark
basal At or near the base of a plant or plant part. Especially said of leaves clustered near the ground or of a placenta confined to the base of an ovary.
spot;
calyx inflated, bladder-like in
fruit ..... H. trionum 1' Perennial herb or
subshrub; petals white, lavender, to rose; calyx not inflated in fruit
2. Leaf blade Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped.
1–3 cm,
ovate Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf.
; flowers in
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).
axils; flower stalk 0.5–1.5 cm;
sepals fused only at base; petals 2–2.7 cm;
seed densely silky; dry
habitats ..... H. denudatus 2' Leaf blade 6–10 cm,
cordate Heart-shaped; often pertaining to a leaf in which the blade base on both sides of the petiole is rounded and convex.
; flowers near
stem tip; flower stalk 1–8 cm; sepals fused 1/2; petals 6–10 cm; seed
glabrous; wet habitats
..... H. lasiocarpos var. occidentalis
Please use this Google Form for Contact/Feedback
Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.