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Impatiens sodenii

Engl. & Warb. (1895)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Ericales Family: Balsaminaceae Genus: Impatiens

poor man's rhododendron

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Description

Key Characters:

Growth Form: Erect, shrubby perennial herbs 1–2.5(–3) m tall.

Stems: Stems pale green.

Roots:

Leaves: Leaves simple. Whorled, 4–8 per node. Blades oblanceolate, 8–21 cm long. Surfaces usually glabrous. Margins ciliate–toothed. Stipules absent or consisting of a pair of petiolar glands.

Flowers: Flowers solitary or in small cymes. Flowers bisexual (perfect), strongly irregular. Solitary, axillary, the spur usually 4–5.5 cm long. Calyx of 3 sepals, rarely 5, the upper 2 small and usually green, the lower one petaloid, asymmetrically funnelform, usually with a long nectariferous spur. Corolla of 5 petals; petals pale lavender or rose, nearly white, externally. Stamens 5, connate into a short tube: filaments flat, connate above; anthers dithecal, introrse, short, connate or coherent, forming a cap over the ovary, the sporogenous tissue divided into packets by a transverse partition. Ovary superior, 5-celled; placentation axile; ovules several to many per cell, pendulous and apotropous or anatropous; style 1, short; stigma 1 or 5.

Fruit: Capsules explosively dehiscent; loculicidal; the valves rubbery and becoming twisted in dehiscence. Seeds with endosperm scanty.

Ploidy: 2n = 16

Habitat: Sparingly naturalized in mesic forest; especially along streams.

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Only found in cultivation
Maui Naturalized
Hawai'i Potentially naturalizing

Dispersal Agents

Water/Ocean

Vegetative Reproduction

Pollinators

Specimens

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Notes

  • 1956
  • Description digitized by Pumehana
  • Description digitized from the Manual of the Flowering Plants of Hawaii

Bibliography

Name Published In: H.G.A.Engler (ed.), Pflanzenw. Ost-Afrikas, C: 253 (1895)

Other References

Wagner et al. 1990:380 (K [as I. oliveri]); Grey-Wilson 1982:20/Herbst & Wagner 1999:15 (Syn. I. oliveri = I. sodeni); Oppenheimer 2003:8 (EM); Staples & Herbst 2005:172 (KEY), 173 (DESCR); IPNI 2025 (spelling change to sodenii)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Impatiens sodenii North Kona at Koloko Dr Growing in the shade of M. polymorpha and A. koa in montane subalpine mesic forest. Rocky substrate. Some smaller individuals are growing on a large rock. Ass. veg: R. rugosa, T. tameiameiae and P. capitatum. Preserved_Specimen Murphy, M. 276 Hawaii BISH 2023-10-17
2 Impatiens sodenii Kokee. Camp 10 Road: Garden at Plew's residence Prefers damp places. Preserved_Specimen Plews, J.H.R. Kauai BISH 1986-10-23
3 Impatiens sodenii Waimea District: Kokee State Park, Camp Sloggett (YMCA camp) off Mohihi Road, c.0.7 miles East of Hwy 550 Planted area with escaped exotics, surrounded by mixed mesophytic forest. Preserved_Specimen Lorence, D.H. 5755 Kauai BISH 1988-01-28
4 Impatiens sodenii East Maui, Makawao District, Olinda At edge of yard. Preserved_Specimen Oppenheimer, H.L. 30141 Maui BISH 2001-03-24
5 Impatiens sodenii Kokee, Waineke Stream Preserved_Specimen Herbst, D.R. 1094 Kauai BISH 1968-04-27
6 Impatiens sodenii Kokee, Waineke Stream Preserved_Specimen Herbst, D.R. 1094 Kauai BISH 1968-04-27
7 Impatiens sodenii Kauai Preserved_Specimen Holt, W. Kauai BISH 1956-07-22
8 Impatiens sodenii Kula, N side of Pilehiki Rd., 12 ft below Kekaulike Hwy. Preserved_Specimen Gabrels, S. Maui BISH 2010-04-20
9 Impatiens sodenii East Maui, Makawao District, E of Piiholo Rd In gulch w. Hedychium gardnerianum. Preserved_Specimen Oppenheimer, H.L. 30142 Maui BISH 2001-03-24
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