Cyanea longissima
Genus: Cyanea section Genuinae subsection Scabrae.
Status: Extinct.
Range: Maui; Haleakalā, windward wet slopes.
Growth form: Unknown, likely a shrub 1 to 2 m tall with erect branches
Specimens of Cyanea longissima include the holotype collected by H.L.Lyon in 1908 (Rock #10259, BISH), Rock's collection in 1911 (Rock #8790), and the last specimen ever collected which was by Degener in 1927 (A, MO, NY).
Description: Habit never specifically described, but likely a 1 m tall, subherbaceous, unarmed shrub with erect branches. Leaves obovate to oblong to lanceolate, 27 to 45 cm long by 4.5 to 11 cm wide, apex acute, base attenuate narrowing into a petiole 4 to 7 cm long.
Sources:
n.b. The descriptions of Rock, 1919 and Wimmer, 1943 for Cy. variabilis var. variabilis are made from specimens of both Cy. longissima and Cy. glabra. Lammers, 1990, restricts Cy. longissima only to the type specimen (Rock #10259, collector H.L.Lyon).
- Rock, 1919 (as Cyanea scabra var. variabilis, but only the holotype Rock 10259);
- Rock, 1919 (as Cyanea scabra var. longissima);
- Wimmer, 1943 (as Cyanea scabra var. variabilis, but only the holotype Rock 10259);
- Wimmer, 1943 (as Cyanea scabra var. longissima);
- Wagner et al., 1990;