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Herissantia crispa - bladdermallow

Scientific Family
Malvaceae
Synonyms
Abutilon crispum, A. crispum var. imberbe, Bogenhardia crispa, Gayoides crispa, G. crispum, Sida crispa
Other common names
Bladder-mallow
curly herissantia
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual or perennial
Height
Up to 39 inches
Riparian
No

Stems to 39 inches and flexuous (zigzagged); reclining on ground with tips ascending; flowers with yellowish-white throats, anthers and stamens yellow, 5 petals with rounded tips, visible veining on surface of petals; hairs long and forked.

Leaves heart-shaped, margins round-toothed, dark green above, lighter below. Flowers white to yellowish-orange, throats yellow; anthers, stamens yellow, petals 5, tips rounded, visible venation; fruit segmented, reflexed, star-shaped, bract tips pointed.Â

Habitat

Found on dry slopes, canyons, roadsides, and desert-scrub communities.

Plant Community
Desert Scrub
Disturbed Areas
Low elevation
0
High elevation
3500

Flower Characteristics

Flowers borne solitary in leaf axils on slender, zigzagged stalks; 5 petals, white to light yellowish-orange, 1/4 to 1/2 inch long with visible veining; anthers golden yellow, styles 10 to 12.

Flower color
White to yellowish-orange, yellow throats
Flower shape
Regular
Tubular
No
First bloom month
January
Last bloom month
December
Flower clusters
None

Leaf and Stem Characteristics

Alternate, heart-shaped and attached at wider end; 1/3 to 2-3/4 inches long; margins with rounded teeth; lower blades with short stalks, upper blades becoming progressively reduced and short-stalked or stalkless.

Leaf type
Simple
Leaf color
Green
Leaf shape
Other
Leaf margin
Toothed
Leaf attachment
Alternate
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

Rounded, inflated fruit resembles pincushion; 3/4 inch diameter; 10 to 12 segments; bending downward; longer than wide; small, star-shaped, bracts below have pointed tips; papery, silvery-shiny inside, outer surfaces with short bristles.

Fruit type
Capsule

3 seeds per segment.