Pyracantha angustifolia

(Franch.) C.K.Schneid. (1906)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Rosales Family: Rosaceae Genus: Pyracantha

firethorn, narrow-leaved firethorn

Description

Key Characters:

Growth Form: Shrubs up to 4 m tall.

Stems: Stems rigid, erect or sprawling, many-branched, forming a dense growth, young branches tomentose, thorns leafy.

Roots:

Leaves: Leaves simple. Alternate. Blades oblong to oblong–lanceolate, 1.5–5 cm long, 0.5–1.6 cm wide. Apex obtuse and mucronulate, or emarginate. Base cuneate-attenuate. Upper surfaces pubescent when young, soon glabrate and dark green; lower surfaces grayish tomentose, margins entire or with a few small teeth near apex. Margins crenulate, serrulate, or entire. Short-petiolate. Stipules minute, caducous.

Flowers: Flowers in dense corymbs 2–4 cm in diameter, pubescent throughout. Flowers bisexual (perfect). Calyx lobes 5, small, persistent in fruit; sepals broadly deltate, 0.8–1 mm long, margins minutely denticulate. Corolla of 5 petals; petals 8–10 mm long. Stamens 15–21. Ovary 1/2 inferior, carpels 2–5, distinct on ventral side, but adnate to hypanthium ca. ½ their length on dorsal side, ovary walls becoming hard in fruit; ovules 2 per cell.

Fruit: Fruit bright orange to brick–red; depressed–globose; 6–8 mm in diameter. Seeds 1 per endocarp.

Ploidy: 2n = 34

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

Water/Ocean
Birds

Vegetative Reproduction

Pollinators

Specimens

Bibliography

Name Published In: Ill. Handb. Laubholzk. 1: 761 (1906)

Other References

Wagner et al. 1990:1105 (K, H); Herbarium Pacificum Staff 1999:9 (K, remove H [reidentified as Pyracantha koidzumii]); Staples & Herbst 2005:474 (KEY), 477 (DESCR); Starr et al. 2008:48 (EM); Pratt & Bio 2012:78 (H)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Pyracantha angustifolia (Franch.) C.K.Schneid. highway 550, 16 mile marker, crossing kaunuohua ridge PRESERVED_SPECIMEN plews, j.h.r. collector number: s.n. Gardner Pinnacles BISH 3/15/1986
2 Pyracantha angustifolia (Franch.) C.K.Schneid. east maui, polipoli state park campground Probably planted. PRESERVED_SPECIMEN starr, f. martz, k. collector number: 990107-7 Maui BISH 1/7/1999
3 Pyracantha angustifolia (Franch.) C.K.Schneid. East Maui, Polipoli State Park campground Probably planted. PRESERVED_SPECIMEN Starr, F. Martz, K. Collector Number: 990107-7 Maui BISH 1/7/1999
4 Pyracantha angustifolia (Franch.) C.K.Schneid. waimea district, waimea canyon state park, along hwy 550 near puu ka pele, along driveway to microwave towers and equipment buildings, opposite papaalai ridge rd PRESERVED_SPECIMEN lorence, d.h. flynn, t. collector number: 7606 BISH 11/16/1994
5 Pyracantha angustifolia (Franch.) C.K.Schneid. honolulu, jamehameha girls' school PRESERVED_SPECIMEN judd jr., a.f. collector number: s.n. Oahu BISH 4/3/1937
6 Pyracantha angustifolia (Franch.) C.K.Schneid. honolulu, jamehameha girls' school PRESERVED_SPECIMEN judd jr., a.f. collector number: 8345 Oahu BISH 4/3/1937
7 Pyracantha angustifolia (Franch.) C.K.Schneid. keauhou ranch, kau district, near puu oo trail Growing in pasture. PRESERVED_SPECIMEN cuddihy, l.w. state eps team collector number: 082 Hawaii BISH 12/20/1979
8 Pyracantha angustifolia (Franch.) C.K.Schneid. Highway 11 nr Volcano Village, mile marker 27, E of Hawai'i Volcanoes Nat'l Park, Puna District. Rare on side of road in disturged vegetation. PRESERVED_SPECIMEN Pratt, L.W. 3520 Hawaii BISH 9/9/2005
9 Pyracantha angustifolia (Franch.) C.K.Schneid. puna dist., volcano refuse transfer station, along hwy 11 between glenwood and volcano PRESERVED_SPECIMEN d. h. lorence & t. w. flynn 6672 Kauai BISH 1/7/1991
10 Pyracantha angustifolia (Franch.) C.K.Schneid. Kokee State Park, jct. of Halemanu Rd. and Kokee Rd. near Tracking Station PRESERVED_SPECIMEN Wagner, W.L. 4962 Kauai BISH 8/26/1983
11 Pyracantha angustifolia (Franch.) C.K.Schneid. Kokee State Park. Along the main road from park entrance to ca. mile 16. PRESERVED_SPECIMEN John H. R. Plews 137 Kauai PTBG 6/1/1981
12 Pyracantha angustifolia (Franch.) C.K.Schneid. Highway 550 along Waimea Canyon; mile 14 near NASA tracking station. PRESERVED_SPECIMEN Thomas B. Croat 44834 Kauai PTBG 12/2/1978
13 Pyracantha angustifolia (Franch.) C.K.Schneid. E. Maui, Kula, Keahuaiwi gulch. Pastures near residential area. PRESERVED_SPECIMEN Forest Starr Starr-050817-1 Maui PTBG 8/17/2005
14 Pyracantha angustifolia (Franch.) C.K.Schneid. kokee state park, along main rd., ca. .25 mi from cabins PRESERVED_SPECIMEN g. spence 410 Kauai US 11/1/1976
15 Pyracantha angustifolia (Franch.) C.K.Schneid. Waimea Canyon State Park, along Highway 550 near Pu`u ka Pele, along driveway to microwave towers and equipment buildings, opposite Papa`alai Ridge Road. Grevillea robusta plantation with understory of Lantana camara. PRESERVED_SPECIMEN David H. Lorence 7606 Kauai PTBG 11/16/1994
16 Pyracantha angustifolia (Franch.) C.K.Schneid. hawaii volcanoes national park, kilauea military camp PRESERVED_SPECIMEN f. r. fosberg 44463 Hawaii US 11/25/1963
17 Pyracantha angustifolia (Franch.) C.K.Schneid. waimea district, kokee state park, mile 18.4 on hwy. 550 just before puu o kila lookout on s rim of kalalau valley PRESERVED_SPECIMEN d. h. lorence, t. w. flynn & j. talbot 6002 Kauai US 5/20/1988
18 Pyracantha angustifolia (Franch.) C.K.Schneid. kokee state park, jct. of hamenau rd. and kokee rd. near tracking station. PRESERVED_SPECIMEN w. l. wagner, s. w. miller, d. wier & g. wier 4962 Kauai US 8/26/1983
19 Pyracantha angustifolia (Franch.) C.K.Schneid. kokee state park, along main road, ca. 1/4 mile from cabins PRESERVED_SPECIMEN spence, g. collector number: 410 Kauai BISH 11/1/1976
20 Pyracantha angustifolia (Franch.) C.K.Schneid. East Maui, Polipoli State Park campground Probably planted. PRESERVED_SPECIMEN Starr, F. 990107-7 Maui BISH 1/7/1999
21 Pyracantha angustifolia (Franch.) C.K.Schneid. Honolulu, Jamehameha Girls' School PRESERVED_SPECIMEN Judd Jr., A.F. s.n. Oahu BISH 4/3/1937
22 Pyracantha angustifolia (Franch.) C.K.Schneid. east maui, keahuaiwi gulch, kula Epiphyte on log in closed `ohi`a forest near bog. PRESERVED_SPECIMEN starr, f. starr, k.; chimera, m.; spencer, j. collector number: 050817-1 Hawaii BISH 8/17/2005
23 Pyracantha angustifolia (Franch.) C.K.Schneid. Waimea district, Waimea Canyon State Park, along hwy 550 near Puu ka Pele, along driveway to microwave towers and equipment buildings, opposite Papaalai Ridge Rd Grevillea robusta plantation with understory of Lantana camara. PRESERVED_SPECIMEN Lorence, D.H. 7606 Kauai BISH 11/16/1994
24 Pyracantha angustifolia (Franch.) C.K.Schneid. East Maui, Keahuaiwi Gulch, Kula Scattered in pastures near residential area. Associated vegetation: Pennisetum clandestinum, Senecio madagascariensis, Cotoneaster pannosus. PRESERVED_SPECIMEN Starr, F. 050817-1 Maui BISH 8/17/2005
25 Pyracantha angustifolia (Franch.) C.K.Schneid. Honolulu, Jamehameha Girls' School PRESERVED_SPECIMEN Judd Jr., A.F. 8345 Oahu BISH 4/3/1937
26 Pyracantha angustifolia (Franch.) C.K.Schneid. Highway 550, 16 mile marker, crossing Kaunuohua Ridge PRESERVED_SPECIMEN Plews, J.H.R. s.n. Kauai BISH 3/15/1986
27 Pyracantha angustifolia (Franch.) C.K.Schneid. Kulani Correctional Facility, south Hilo District, near old warden house site disturbed area. PRESERVED_SPECIMEN Rubenstein, T. s.n. Hawaii BISH 6/4/1997
28 Pyracantha angustifolia (Franch.) C.K.Schneid. highway 11 nr volcano village, mile marker 27, e of hawai'i volcanoes nat'l park, puna district. Rare on side of road in disturged vegetation. PRESERVED_SPECIMEN pratt, l.w. collector number: 3520 Hawaii BISH 9/9/2005
29 Pyracantha angustifolia (Franch.) C.K.Schneid. Kokee State Park, along main road, ca. 1/4 mile from cabins PRESERVED_SPECIMEN Spence, G. 410 Kauai BISH 11/1/1976
30 Pyracantha angustifolia (Franch.) C.K.Schneid. Keauhou Ranch, Kau District, near Puu oo trail Growing in pasture. PRESERVED_SPECIMEN Cuddihy, L.W. State EPS team Collector Number: 082 Hawaii BISH 12/20/1979
31 Pyracantha angustifolia (Franch.) C.K.Schneid. kokee state park, jct. of halemanu rd. and kokee rd. near tracking station PRESERVED_SPECIMEN wagner, w.l. mill, s.w.; wier, d.; wier, g. collector number: 4962 Kauai BISH 8/26/1983