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Cyanea rivularis

Rock (1913)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Campanulaceae Genus: Cyanea

hāhā [haha]

Description

Key Characters:

Growth Form: Unbranched shrubs or trees or branching near the base.

Stems: Stems 4–5 m long, pubescent.

Roots:

Leaves: Leaves simple. In an apical rosette. Blades elliptic to oblanceolate, 20–30 cm long, 3–8 cm wide. Apex acute. Base cuneate to attenuate. Surfaces pubescent. Margins crenulate to serrulate. Petioles 4–8 cm long, pubescent. Stipules absent.

Flowers: Flowers in inflorescences 6–12–flowered, pubescent, peduncles 40–80 mm long, pedicels 10–15 mm long; hypanthium campanulate. Flowers tetracyclic, bisexual (perfect), complete, protandrous, epigynous, resupinate, pedicellate. Calyx lobes triangular to subulate, 3–4 mm long. Corolla white with blue longitudinal stripes, curved, 30–40 mm long, pubescent, with 1 dorsal knob. Stamens 5, alternate with corolla lobes, connate; staminal column glabrous; anthers pubescent at base. Ovary inferior.

Fruit: Berries dark purple; globose; 10–15 mm in diameter. Seeds numerous; 0.7–1 mm long.

Ploidy:

Habitat: Formerly occurring in diverse mesic forest; Kaua'i.

Elevation Range: 1,300–1,400 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Only found in cultivation

Dispersal Agents


Pollinators

Bibliography

Name Published In: Indig. Trees Haw. Isl.: 511 (1913)

Other References

Wagner et al. 1990:469 (K [as Delissea rivularis]); Lorence et al. 1995:30 (REDISCOVER/K); Lammers 2005:62 (Syn. D. rivularis = C. rivularis)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 9010 Kauai BISH 1911-10-15
2 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5365 Kauai BISH 1909-09-01
3 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5365 Kauai BISH 1909-09-01
4 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5365 Kauai BISH 1909-09-01
5 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 9010 Kauai BISH 1911-10-15
6 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 9010 Kauai BISH 1911-10-15
7 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5365 Kauai BISH 1909-09-01
8 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 13104 Kauai BISH 1916-10-20
9 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1909-08-01
10 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1909-08-01
11 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5365 Kauai BISH 1909-09-01
12 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation Kadua fffinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, Syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Melicope wawrana, M. clusiifolia, Myrsine wawr Preserved_Specimen tree, 1st one along drainage, 2.5 m tall, two main stems, trunk 5 cm diameter at base, gray, with mature fruit purple, 2 trees in immediate area. Wood, K.R. 15438 Kauai BISH 2013-03-07
13 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation Kadua affinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Melicope wawrana, M. clusiifolia, Myrsine wawrana Preserved_Specimen tree, 2 branched at base, 2 m tall, flowers white with blue tinged lobes, in flower and immature fruit, 2 trees in immediate area Wood, K.R. 15280 Kauai BISH 2012-11-08
14 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH
15 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5365 Kauai BISH 1909-09-01
16 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wimmer, E. Kauai BISH
17 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation Kadua affinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Melicope wawrana, M. clusiifolia, Myrsine wawrana Preserved_Specimen tree, 2 branched at base, 2.5 m tall, 3rd branch dead, in late flower and immature fruit, 2 trees in immediate area, Wood, K.R. 15281 Kauai BISH 2012-11-08
18 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details In Metrosideros-Cheirodendron-Dicranopteris wet forest with Pipturus, Diplopterygium pinnatum, Coprosma, Sadleria, Perrottetia, Broussaisia, Clermontia, Melicope degeneri, Gunnera, Cyanea, Trematolobelia, Cyrtandra, Erigeron karvinskianus, Rubus argutus, and Thelypteris. Preserved_Specimen Several scattered populations in area, 6 plants seen, shrubs 6-10 ft. ht. With flowers blue striped. Perlman, S. 16348 Kauai BISH 1998-08-29
19 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Montane wet forest Preserved_Specimen Plant w/ flowers Perlman, S. 10834 Kauai BISH 1989-09-23
20 Cyanea rivularis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 396 Kauai BISH 1909-09-01
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