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Polypremum procumbens

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Lamiales Family: Tetrachondraceae Genus: Polypremum

Description

Key Characters:

Growth Form: Perrenial herbs.

Stems: Stems (5–)8–20(–33) cm, much-branched distally.

Roots: Taprooted.

Leaves: Leaves simple. Opposite, sometimes forming dense, overwintering rosettes. Blades linear to narrowly lanceolate, (5–)10–25(–42) x (0.5–)1(–2) mm. Apex acuminate. Margins ciliate proximally. Blade 1-veined. Sessile.

Flowers: Bracteoles leaflike. Flowers perfect. Calyx urceolate, lobes lanceolate, keeled, (2–)3 mm, margins scarious, especially medially, apex attenuate. Corollas white, 1–2 mm, usually 1/2–3/4 length of calyx lobes, lobe apex rounded. Stamens included, filaments glabrous. Ovary partly inferior; stigma capitate

Fruit: Capsules 2-lobed; 2 x 1.5–2 mm; slightly flattened. Seeds 0.3 mm; shiny.

Ploidy: 2n = 20

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Potentially Naturalizing

Island Status

Hawai'i Potentially Naturalizing

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 111 (1753)

Other References

Wagner et al. 1990:850 (H? [reportedly naturalized in Hawai‘i Volcanoes National Park, but no vouchers seen], DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Polypremum procumbens L. Crater Rim Trail betw. Kilauea Military Camp and Vocano Observatory, Hawaii Nat Park. PRESERVED_SPECIMEN Fosberg, F. R. 41781 Hawaii US 3/27/1961
2 Polypremum procumbens L. Kilauea Military Camp PRESERVED_SPECIMEN Fosberg, F. R. 39279 Hawaii US 1/3/1958
3 Polypremum procumbens L. crater rim trail betw. kilauea military camp and vocano observatory, hawaii nat park. PRESERVED_SPECIMEN f. r. fosberg 41781 Hawaii US 3/27/1961
4 Polypremum procumbens L. Volcanoes National Park; Crater Rim Trail, near observatory PRESERVED_SPECIMEN Darwin, S. P. 1199 Hawaii US 8/10/1975
5 Polypremum procumbens L. kilauea military camp PRESERVED_SPECIMEN f. r. fosberg 39279 Hawaii US 1/3/1958
6 Polypremum procumbens L. volcanoes national park; crater rim trail, near observatory PRESERVED_SPECIMEN s. p. darwin 1199 Hawaii US 8/10/1975
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