
Cyanea angustifolia (Cham.) Hillebr.
Genus: Cyanea section Delisseoideae.
Range: O'ahu in both ranges (Ko'olau and Wai'anae), eastern Moloka'i, Lāna'i and west Maui; mesic and wet forest; 150-760m
Status: Less concern
Note: Not Rollandia angustifolia.When Rollandia was subsumed into Cyanea, Rollandia angustifolia was renamed Rollandia koolauensis.
Growth form: Shrub, branched, 1.5 to 5 m tall.
Number of seeds per fruit > 200 (Cory et al. 2015). Peak flowering time is late spring to early summer (Cory et al. 2015)
A study (conducted 1980-1984, published 2015) by Cory et al. 2015, showed
that Cyanea angustifolia along with Clermontia kakeana are self-compatible.
How to identify: .
Images:
Sources:
- Chamisso, 1833 (as Lobelia angustifolia);
- G. Don, 1834 (as Delissea angustifolia);
- Presl, 1836 (as Delissea angustifolia);
- De Candolle, 1838 (as Delissea angustifolia);
- Gray, 1861 (as Delissea acuminata var. angustifolia);
- Mann, 1868 (as Delissea angustifolia);
- Wawra, 1873 (as Delissea angustifolia);
- Wawra, 1873 (as Delissea honolulensis);
- Hillebrand, 1888 (including var. racemosa);
- Not Hillebrand, 1888, Cyanea angustifolia var. tomentella == Cyanea membranacea;
- Not Hillebrand, 1888, Rollandia longiflora var. angustifolia == Cyanea koolauensis;
- Rock, 1919 (including var. racemosa);
- Not Rock, 1919, Cyanea angustifolia var. tomentella == Cyanea membranacea;
- Not Rock, 1919, Cyanea angustifolia var. lanaiensis == Cyanea elliptica;
- Not Rock, 1919, Cyanea angustifolia var. hillebrandii == Cyanea elliptica;
- Wimmer, 1943 (including var. racemosa);
- Wagner et al., 1990.