Waltheria pyrolifolia

A.Gray (1854)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malvales Family: Malvaceae Genus: Waltheria

Description

Key Characters:

Growth Form: Woody shrub.

Stems:

Roots:

Leaves: Leaves simple. Alternate. Leaves widely obovate to widely depressed obovate, widely elliptic to oblate, widely ovate circular, very widely ovate to widely depressed ovate, length/width ratios 1.2-0.8:1. <u>Apex</u> commonly retuse, sometimes rounded. Apex commonly retuse, sometimes rounded. Leaves when yet unfolded adaxially subglabrous, with minute glandular hairs throughout, pubescent and tomentose over teeth, and puberulent here and there on surface, pubescent from a few teeth apices, tufted on midvein and some secondary veins. <u>Margins</u> crenate-dentate. Margins crenate-dentate. <b>Stipules</b> narrowly triangular. Stipules narrowly triangular.

Flowers: Flowers ca. 8 mm diam., presumably distylous, pin-like Calyx lobes contiguous and without sinuses while in bud, later lanceolate, broadly linear, silky short villulose. Petals of unknown color fresh, dark castaneous dried, pale-pustulate, thickened, obovate, slightly cucullate, concave, 1.5-1.7 mm wide; petal base adnate to stamen tube base for 0.2 mm and 0.3-0.5 mm wide; nerves thick, eight from base to apex, basally contiguous where 0.3-0.4 mm wide. Stamens of uneven lengths within flower. Connate only at the base, Tube short, 0.2-1.0 mm, segmenting in age, Free filaments long, 0.9-3.6 mm long. <b>Ovary</b> superior, pistil 4-5 mm long, superseding stamens by 0.7-1.7 mm; <u>stigma</u> nearly simple, 0.1-0.2 x 0.1-0.4 mm, denticulate or scant papillose; <u>style</u> excentric, 2.6-3.8 x 0.1 mm, arachnoid-villous.

Fruit: Capsules utricle-like but loculicidal; partially dehiscent ventrally at apex and dorsally at apex; retaining seed; endocarp coriaceous; only near suture slightly sclerified. Obovoid in lateral view; 3.2-4.0 mm long. <b>Seeds</b> obovoid in lateral view; 2.4-2.7 mm long; in apical view 2-lobulate near raphe; seed cover thick; striate-fibrous.

Ploidy:

Habitat: Sand hills consists of calcareous lithified dunes; used for grazing.

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Maui Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: U.S. Expl. Exped., Phan. 1: 190 (1854)

Occurrences

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