Hibiscus

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malvales Family: Malvaceae Genus: Hibiscus

hibiscus

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Description

Key Characters:

Growth Form: Subshrubs to trees or sometimes herbs, variously pubescent with simple stellate, and glandular hairs, rarely glabrous, occasionally spiny.

Stems:

Roots:

Leaves: Leaves alternate. Blades unlobed or palmately lobed or divided. Petiolate. Stipules present.

Flowers: Flowers solitary, cymosely clustered in the leaf axils, or in racemes, panicles, or corymbs by reduction of upper leaves, pedicels usually articulate; involucral bracts 4-20 distinct or connate basally or adnate to calyx at base. Flowers bisexual (perfect). Calyx campanulate to tubular or suburceolate, composed of connate sepals, 5-lobed or 5-parted, often accrescent in fruit, veins obscure or prominent, sometimes with a gland on midrib of each lobe, lobes valvate in bud. Corolla actinomorphic to moderately zygomorphic, white, yellow, orange, red, or purple, often maroon spotted at base, rotate to campanulate or tubular, lower surface usually densely pubescent, the corolla of 5 petals, obovate, distinct from each other but Stamens 5 to numerous, monadelphous, forming a staminal column, staminal column included or exserted, antheriferous for most of its length or only below the 5-toothed apex; filaments terminating the staminal column or borne below a 5-dentate apex; anthers Pollen globose, echinate. Ovary superior, 5-celled or rarely appearing 10-celled by a vertical partition, the carpels borne in a single whorl or rarely seemingly superposed whorls, placentation axile; ovules 3 or more per cell; style exceeding the staminal column, 5-branched, each branch terminated by an expanded stigma.

Fruit: Fruit a loculicidally dehiscent capsules; exocarp and endocarp sometimes separating at maturity. Seeds angular-reniform or rounded-reniform; glabrous or pubescent; with or without endosperm.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Distribution maps coming soon.

Images

Accepted Subtaxa (in Hawai'i) (71)

Uses and Culture

USES

  • Sometimes the ovaries/bases of the flower were used as an alternative to hau sap as a mild laxative (Krauss 1993:102).

Natural History

Statewide Status

Only found in cultivation

Island Status

O'ahu Only found in cultivation

Dispersal Agents


Pollinators

Specimens

Bibliography

Name Published In: Sp. Pl.: 693 (1753)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Record Number Basis of Record Recorded By Island Publisher Date
1 Hibiscus L. Sp. Pl.: 693 (1753)