Description
Key Characters:
Growth Form:
Apparently small trees. (prob. 3–4 m tall).
Stems:
Roots:
Leaves:
Leaves simple.
Alternate.
Blades orbicular in outline, 8–12.5 cm wide, 7–lobed with shallow, angulate, or deltate divisions.
Base subtruncate.
Surfaces glabrate except leaf surfaces pubescent in axils of major veins near base.
Margins entire or nearly so.
Petioles usually as Iong as or longer than blades, deciduous with prominent scars.
Stipules caducous.
Flowers:
Flowers solitary, clustered near the ends of the branches, axillary, pedicels 3.5-5 cm long, articulate near middle, terminal nectaries absent; involucral bracts 3, narrowly oblong-lanceolate, 30-38 mm long, 8-13 mm wide, distinct or connate basally, entire or lobed, apex acute to subacuminate, pubescent near base or glabrous, accrescent and leathery in fruit.
Flowers bisexual (perfect).
Calyx 1.5–2 cm long, composed of connate sepals, cylindrical, 2-5-lobed, splitting irregularly, glabrous, the lobes valvate in bud.
Corolla zygomorphic, orangish red to scarlet or brick-red, curved in bud, densely yellowish silky pubescent, corolla of 5 petals, 10 cm long, obovate, reflexed above at anthesis, twisted at base, adnate at base to staminal column.
Stamens 5 to numerous, monadelphous, forming a staminal column 10 cm long, staminal column exserted, curved; antheriferous in upper 1/3-1/2, terminated by 5 teeth; anthers monothecal.
Pollen globose, echinate.
Ovary superior, 5-celled; ovules 1 per cell, the carpels borne in a single whorl or rarely seemingly superposed whorls, placentation axile; style clavate, exceeding the staminal column, unbranched and stigmatically lobed at apex; stigma 5-lobed, sulcate, terminal or decurrent.
Fruit:
Capsules unknown.
Seeds unknown.
Ploidy:
Habitat:
Hills in dry areas of East Oahu.
Elevation Range:
Unknown