Description
Key Characters:
Growth Form:
Extremely polymorphic herbs 2–10 m tall, sap clear.
Stems:
Pseudostems variously colored, 1–6 m long, 15–40 cm in diameter at base.
Roots:
Leaves:
Leaves simple.
Alternate.
Blades 100–400 cm long, 30–80 cm wide.
Base with a course basal sheath, sheathing bases closely overlapping and appressed to each other, forming an erect, herbaceous pseudostem from which the petioles depart at the summit (Pseudo)petioles 30–100 cm long.
Surfaces glaucous.
Margins entire.
Veins parallel.
Petiolate.
Stipules absent.
Flowers:
Flowers in inflorescences divergent to pendent, fruiting axis curved, 80–250 cm long, 4–8 cm in diameter.
Flowers irregular, functionally unisexual, those subtended by the lower bracts pistillate, those subtended by the upper bracts staminate. Pistillate flowers few to ca. 20, 5–9 cm long, inflated, producing thick, jelly-like nectar. Staminate flowers numerous, 3-6 cm long, narrow, compactly arranged beneath leathery, red to purple bracts.
Tepals 6, in 2 series, petaloid, upper 5 connate into a tubular structure, adaxial tepal distinct.
Staminate flowers numerous, 3–6 cm long, narrow, compactly arranged beneath leathery, red to purple bracts. Stamens 5 with 1 reduced staminode; filaments slender, distinct; anthers linear, dithecal.
Ovary inferior (pistillate flowers), 3-celled.
Fruit:
Fruit variable in size; shape; and color; elongate–cylindrical; straight to strongly curved; 3–40 cm long; 2–8 cm in diameter; apex tapered; rounded or blunt; skin thin and tender to tough and leathery; yellow; green; or red; flesh starchy to sweet; white; yellowish; or orange.
Seeds typically absent or vestigial.
Ploidy:
2n = 10–14 (irregular); 16; 22–24; 32–35; 44; 48; 55; 77; 88
Habitat:
Persisting after cultivation and sparingly naturalized by vegetative reproduction in mesic to wet valleys and wet forest.
Elevation Range:
0–920 m.
Island Status
Kaua'i
Only found in cultivation
O'ahu Only found in cultivation
Molokai Only found in cultivation
Lana'i Unknown
Maui Only found in cultivation
Hawai'i Only found in cultivation