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Dopatrium junceum

(Roxb.) Buch.-Ham. ex Benth. (1835)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Lamiales Family: Plantaginaceae Genus: Dopatrium

horsefly's eye

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Description

Key Characters:

Growth Form: Somewhat fleshy, small herbs 1–3 dm tall, glabrous.

Stems:

Roots:

Leaves: Leaves simple. Opposite. Blades oblong–ovate or elliptic–ovate, lowest ones 2–3 cm long, 0.3–0.6 cm wide, upper ones scale-like, ca. 0.3–0.5 cm long. Margins entire. Sessile. Stipules absent.

Flowers: Flowers solitary in the leaf axils. Flowers bisexual (perfect); pedicels capillary, 10–25 mm long. Calyx ca. 1–1.5 mm long, deeply 5–cleft. Corolla pale blue, ca. 3 mm long, bilabiate, upper lip overlapping lower lip in bud, 2-lobed, lower lip much larger, 3-lobed, the lobes spreading. Stamens 2, with 2 staminodes included in corolla tube. Ovary superior, 2-carpellate, with as many cells; ovule placentation axile; stigma 2-lobed.

Fruit: Capsules globose to ovoid; 2–3 mm long. Seeds ovoid; ca. 0.2 mm long; transversely and laterally ribbed.

Ploidy: 2n = 28

Habitat: Sparingly naturalized in Hanalei and Hanapepe valleys in and around taro patches.

Elevation Range: near sea level.

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Edwards's Bot. Reg. 21: t. 1770 [4] (1835)

Other References

Wagner et al. 1990:1240 (K)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Dopatrium junceum U.S.Fish and Wildlife Reservation, Hanalei Valley, in and around taro patches; Preserved_Specimen Herbst, D.R. 5950 Kauai BISH 1977-07-18
2 Dopatrium junceum Ha'ena State park Lo'i kalo, saturated soil, sunny Preserved_Specimen Faccenda, K. 2423 Kauai BISH 2022-05-30
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