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Philadelphus karwinskyanus

Koehne (1896)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Cornales Family: Hydrangeaceae Genus: Philadelphus

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Only found in cultivation
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Vegetative Reproduction

Pollinators

Notes

  • It is found only on the Great Cross Range and hence westward along the Pacific Coast at lower altitudes where the climate is warmer.

Bibliography

Name Published In: Gartenflora 45: 486 (1896)

Other References

Lorence et al. 1995:38 (NEWNAT/K, EM, DESCR); Starr et al. 2002:20 (EM); Staples & Herbst 2005:354 (DESCR); Faccenda, Arthur, et al. 2025:186 (H)

A Monograph of the Genus Philadelphus p.309

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Philadelphus karwinskyanus Waimea District: Kokee State Park; unnamed trail from Kokee - Halemanu Trail to Highway 550 predominantly secondary vegetation of Myrica faya, Acacia melanoxylon, and Eucalyptus, with some native species Preserved_Specimen Lorence, D.H. 5811 Kauai BISH 1988-02-17
2 Philadelphus karwinskyanus Waimea District: Kokee State Park, along Faya Road(located at the 15 mile marker of Hwy 550) remnant Acacia koa/Metrosideros polymorpha mesic forest invaded by alien weeds including Myrica faya, Psidium cattleianum, Ligustrum sp, Passiflora spp., Acacia melanoxylon, A. decurrens, Hedychium, Pyracantha, etc. Preserved_Specimen Lorence, D.H. 7978 Kauai BISH 1997-04-28
3 Philadelphus karwinskyanus East Maui, Makawao District, Kula (Pulehunui), Crater Road above Sunrise Market Cultivated and spreading from initial plantings. Preserved_Specimen Starr, F. 9801291 Maui BISH 1998-01-29
4 Philadelphus karwinskyanus Palehua, van Holt property next to driveway Preserved_Specimen DLNR staff Oahu BISH 1992-01-23
5 Philadelphus karwinskyanus Kamuela Town, along Waikoloa Stream next to Waimea-Kawaihae Road bridge Appears to be sparingly naturalized along the stream, but unknown if spreading vegetatively or by seed. Preserved_Specimen Herbst, D.R. 9876 Hawaii BISH 2000-05-23
6 Philadelphus karwinskyanus Common in Kula, along Kula Highway Preserved_Specimen Nagata, K.M. 2961 Maui BISH 1984-06-13
7 Philadelphus karwinskyanus Waimea District. Kokee, Camp 10 road, near Noe stream. Naturalized and forming a dense cover along roadside. Preserved_Specimen Brock, K. 926 Kauai BISH 2016-11-21
8 Philadelphus karwinskyanus Plews property, Kokee Preserved_Specimen Howard, R.A. 20217 Kauai BISH 1985-08-21
9 Philadelphus karwinskyanus Kipapa, Kipapa Army Nursery Preserved_Specimen Neal, M.C. Oahu BISH 1947-07-30
10 Philadelphus karwinskyanus Kokee State Park, Mohihi Road at junction of Camp Slogett. Preserved_Specimen Wagner, W.L. 5054 Kauai BISH 1983-08-30
11 Philadelphus karwinskyanus Honolulu Preserved_Specimen Meebold, A. Oahu BISH 1944-07-01
12 Philadelphus karwinskyanus Kailua Preserved_Specimen Soper, Mrs.W.H. Oahu BISH 1946-06-17
13 Philadelphus karwinskyanus Kokee Preserved_Specimen Plews, J.H.R. Kauai BISH 1990-10-25
14 Philadelphus karwinskyanus Waimea District, Kokee State Park, yard of John Plews' cabin along Mohihi road Preserved_Specimen Plews, J.H.R. Kauai BISH 2002-04-25
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