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Rumex hypogaeus

T.M.Schust. & Reveal (2015)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-CoreEudicot Order: Caryophyllales Family: Polygonaceae Genus: Rumex

three-corner Jack

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Hawai'i Naturalized

Dispersal Agents

Water/Ocean
Birds
Other Animals

Pollinators

Bibliography

Name Published In: Taxon 64: 1203 (2015)

Other References

Parker & Parsons 2012b:71 (NEWNAT/H, DESCR, Emex spinosa misapplied, in part = E. australis); Schuster et al. 2015:1204 (NOMNOV, Syn. E. australis = R. hypogaeus)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Rumex hypogaeus ~6 mi W of Pohakuloa Park Station, along Saddle Rd roadside with Chenopodium Preserved_Specimen Decumbent, prostrate herb. Stems red or streaked with red. Leaves and petiole green. Tepals green, anther cream. Fruit green, tips of spines purple. Monecious Kennedy, H. 3910 Hawaii BISH 1979-03-04
2 Rumex hypogaeus 2nd bridged gully W of Pohakuloa State Park, S side of Saddle Rd Preserved_Specimen prostrate, forming mat ~3' in diam. Herbst, D.R. 1473 Hawaii BISH 1970-01-04
3 Rumex hypogaeus Lalamilo, on vegetable farm owned by R. Hirako Along roadside, with various weeds. Preserved_Specimen Mounding shrub up to 3 ft tall. Flowers and fruit present. Conant, P. Hawaii BISH 2005-02-16
4 Rumex hypogaeus Makahalau, Parker Ranch medium rainfall pasture Preserved_Specimen herb Ewart III, G.R. 311 Hawaii BISH 1934-02-17
5 Rumex hypogaeus Makahalau, Parker Ranch Preserved_Specimen weed Goff, R.A. Hawaii BISH 1931-10-01
6 Rumex hypogaeus Hamakua Dist.; Pohakuloa Training Area, along Saddle Road Between the 30 & 45 mile markers & within 60' of road. Preserved_Specimen Funk, E.J. 7 Hawaii BISH 1990-12-13
7 Rumex hypogaeus Waimea, concrete mill close to Saddle Road Along compacted roadside. Preserved_Specimen Mounding red-stemmed shrub up to 2 ft tall. Flowers and fruit present. Conant, P. Hawaii BISH 2005-02-16
8 Rumex hypogaeus South Kohala, Nohonaohae At the base of pu`u and in pasture. Preserved_Specimen Herb. Leaves reddish. Davis, J. 247 Hawaii BISH 1980-03-19
9 Rumex hypogaeus Pali Hooukapapa, Upper Paauhau, Mauna Kea open pasture Preserved_Specimen prostrate Hosaka, E.Y. 1586 Hawaii BISH 1936-09-08
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