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Cyclospermum

Lag. (1821)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Apiales Family: Apiaceae Genus: Cyclospermum

Description

Key Characters:

Growth Form: Annual, many-branched herbs.

Stems: Caulescent.

Roots:

Leaves: Leaves compound (pinnately decompound). Alternate. Blades with filiform ultimate divisions. Surfaces glabrous. Petioles slender, with a white, scarious-margined sheath. Stipules absent.

Flowers: Flowers in compound and often some simple, pedunculate or sessile, naked umbels and/or umbellets. Flowers bisexual (perfect). Calyx teeth minute. Corolla of 5 petals; petals elliptic, without an inflexed apex. White or greenish white. Stamens 5, inserted on an epigynous disk. Ovary inferior, 2-celled; ovules 1 per cells, anatropous; styles 2, usually swollen at base into a stylopodium. Styles shorter than the low stylopodium; carpophore bifid.

Fruit: Fruit orbicular to ovoid; slightly compressed laterally; ribs filiform but evident; often corky; vittae solitary in intervals; 2 on commissure. Seeds 1 per mericarp; embryo small; endosperm cartilaginous. seed face plane.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Island Status

Dispersal Agents


Pollinators

Notes

  • A genus of 2 or more species of South America, but one species nearly cosmopolitan. Name probably derived from the Latin cyclus, circle, and the Greek sperma, seed, in reference to the nearly circular fruit and seed.
  • Description digitized by Pumehana Imada

Bibliography

Name Published In: Amen. Nat. Españ. 1(2): 101 (1821)

Other References

Wagner, W. L., Herbst, D. R., & Sohmer, S. H. (1999). Manual of the Flowering Plants of Hawai'i, Vols. 1 and 2 (No. Edn 2). University of Hawai'i and Bishop Museum Press.

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
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