Species Detail Forb

Flowers		Yavapai County Native & Naturalized Plants Heteranthera dubia - grassleaf mudplantain Synonyms: Heteranthera graminea, Heteranthera liebmannii, Zosterella dubia, Zosterella longituba Other Common Names: water stargrass Plant Form: Forb or Subshrub Family: Pontederiaceae
Flowers


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Leaves USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 191	Plant Elaine Haug, hosted by the USDA-NRCS PLANTS Database

Forb Plant Description

Origin: Native Life Cycle: Annual or perennial
General Desc: Aquatic plant with narrow leaves and yellow star-shaped flowers.
Identification notes: Leaves linear, sessile (without a stalk), alternate. Stems slender, spreading, generally much-branched, often tangled. Flower petals yellow.
Height: To 1 foot

Habitat

Habitat Description: Wetlands.
Plant Communities: Riparian
Elevation: Below 5000 feet

Flower Characteristics

Color: Yellow Shape: Regular not in clusters Tubular: Y Flowering Period: Jul - Aug
Description: Flowers to 1 inch wide with 3 alike stamens; stalkless and borne singly in the axil of a clasping or folded bract which is in the axil of a leaf. Flowers open within two hours after dawn and wilt by dusk.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Narrow Leaf Margin: Smooth Leaf Attachment: Alternate Leaves Clasp: N
Hairs: No Spines: N
Leaf Description: Leaves are to 4 inches long and 3/16 inches wide and lack a midrib. Stems are limp, trailing, either submersed underwater and growing to the water surface, or emergent in shallow water or mud. Stems often root at nodes.

Fruit and Seed Characteristics

Fruit Type: Capsule
Fruit Notes: Elongate and many-seeded.


	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