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Lathyrus latifolius

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Fabales Family: Fabaceae Genus: Lathyrus

everlasting sweet pea, perennial sweet pea, perrenial or everlasting pea

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Description

Key Characters:

Growth Form: Climbing or trailing perennial herbs from rhizomes.

Stems: Stems up to 20(–30) dm long, glabrous and somewhat glaucous, conspicuously 2–winged.

Roots:

Leaves: Leaves compound. Alternate. The rachis ending in a well–developed tendril, leaflets 2, opposite, lanceolate, elliptic to broadly elliptic or oblong, somewhat glaucous, usually 4–9(–15) cm long, 1–5 cm wide. Base semihastate. Petioles 2–winged. Stipules lanceolate to ovate, (1–)3–5(–8) cm long, persistent.

Flowers: Flowers 5–15 in racemes, peduncles ca. 12–14 cm long. Flowers papilionaceous; pedicels 1–2.5 cm long. Calyx 5-lobed, ca. 10–12 mm long, the teeth unequal, upper ones 3–3.5 mm long, lateral ones 4.5–5.5 mm long, the lowest one 6.5–7.5 mm long. Corolla pale pink, purplish pink, purple, or red, standard (15–)20–30 mm long. Stamens 10; upper stamen connate at least at the middle to the other 9, which are connate into a tube. Ovary superior; style 1, apical, pubescent on upper (adaxial) side ca. ½ its length.

Fruit: Pods linear–oblong; 6–1 cm long; 0.6–1 cm wide; dehiscent. Seeds 10–15; rugose–reticulate; with a thin aril.

Ploidy: 2n = 14

Habitat:

Elevation Range: ca. 1,130 m.

Historical Distribution

Images

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Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Specimens

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Notes

  • Description digitized by Rafael Domingo
  • Description digitized from the Manual of the Flowering Plants of Hawaii
  • also known as sweet pea
  • at least 1,130 m
  • east maui 1985

Bibliography

Name Published In: Sp. Pl.: 733 (1753)

Other References

Wagner et al. 1990:678 (EM); Starr et al. 2002:20 (EM); Staples & Herbst 2005:332 (DESCR); Pratt & Bio 2012:76 (H)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Lathyrus latifolius East Maui, Makawao District, Olinda, just above bird sanctuary, near Waihou Climbing on fence along rd. Associated vegetation: Eucalyptus, Pennisetum clandestinum, Ulex europaea. Preserved_Specimen Vine, 1m ht; ; lvs lt green, paddle-like, margins entire, stems winged w/tendrils; flowers purple at least 6/raceme, no scent. Starr, F. 5022 Maui BISH 2000-05-02
2 Lathyrus latifolius East Maui, Olinda In pasture by roadside. Preserved_Specimen Stems broadly winged, leaves broad, flowers 5-15, calyces with large divergent lobes equal in length to the tube. Flowers large and broad, pale pink. Hobdy, R.W. 2412 Maui BISH 1985-06-20
3 Lathyrus latifolius East Maui, Makawao District, Waiakoa, along Rt 37 near mile marker 13 Roadside. Preserved_Specimen Weed. Oppenheimer, H.L. 60014 Maui BISH 2000-06-03
4 Lathyrus latifolius Hawai'i Volcanoes Nat'l Park, Ainahou Ranch house, near abandoned nursery S of house, Ka'u District. One of few vines in grassy area near old plant nursery. Preserved_Specimen Climbing vine, fls rose-pink, no pods. Pratt, L.W. 3749 Hawaii BISH 2011-08-04
5 Lathyrus latifolius East Maui, Makawao District, lower Kula Hwy., mile marker 13, makai (ocean) side of road, by bridge Naturalized. Preserved_Specimen Starr, F. 981224111 Maui BISH 1997-12-24
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