Species Detail Forb

Flowers, leaves, fruit, stems		Yavapai County Native & Naturalized Plants Hydrocotyle prolifera - whorled marshpennywort Synonyms: Hydrocotyle australis, H. canbyi, H. verticillata var. triradiata Plant Form: Forb or Subshrub Family: Apiaceae
Flowers, leaves, fruit, stems


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Leaves Desert Botanical Garden Herbarium, Usage Rights: CC BY-NC (Attribution-Non-Commercial)	Plant Brigham Young University, S. L. Welsh Herbarium, CC BY-NC (Attribution-Non-Commercial)

Forb Plant Description

Origin: Native Life Cycle: Perennial Similar Species: Hydrocotyle ventricillata
General Desc: A fast growing, trailing perennial with round penny-shaped leaves attached to a stem at their center. Tiny greenish-white flowers are in multiple whorled clusters on flower stems.
Identification notes: Low growing perennial found in wet places, slender creeping stems or rhizomes root at nodes; leaves rounded, stemmed, basal; flowers in spikes; flowers and fruit stemmed. Stemmed flowers and fruit distinguish from the similar H. verticillata.
Height: To 8 inches

Habitat

Habitat Description: Moist ground and in slow-moving or still water.
Plant Communities: Riparian
Elevation: Below 5000 feet

Flower Characteristics

Color: Greenish-white Shape: Regular in elongated clusters Tubular: N Flowering Period: May - Aug
Description: Tiny, greenish-white; stemmed, in a few well-separated whorls around stalks that ascend directly from the runners (stolons); stalks 3/4 to 8 inches long.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Round or oval Leaf Margin: Lobed Leaf Attachment: Basal Leaves Clasp: N
Hairs: No Spines: N
Leaf Description: Stems 1/8 to 3/4 inch; erect and growing directly from runners (stolons); each stem topped with a round blade attached at the underside; 1/4 to 2-1/3 inches wide; shallow lobed or notched margins.

Fruit and Seed Characteristics

Fruit Type: Capsule
Fruit Notes: Oval or egg-shaped but tapered at the ends, 1/16 to 1/8 inch wide, ribbed.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer