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Camissonia pallida - paleyellow suncup

Scientific Family
Onagraceae
Synonyms
Oenothera pallida
Other common names
pale-yellow suncup
Hall's suncup
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Height
To 20 inches
Riparian
No

Hairy annual growing in a low basal rosette on the ground, sometimes producing an erect stem from the basal rosette; leaves sometimes have reddish tint; flowers borne singly at the end of short stalks, may point upwards or nod down; withers to red.

Rough hairy annual growing close to ground; erect flower stems from the basal rosette; grayish-green leaves, lance-shaped; nodding seedhead; yellow flowers with small red markings near the bases; fruit capsule straight to tightly coiled.

Habitat

Desert plains, hillsides, creosote scrub lands, native to desert and scrub habitat of the region where Arizona, California, and Nevada meet.

Plant Community
Desert Scrub
Grasslands
Interior Chaparral
Pinyon Juniper Woodlands
Low elevation
1000
High elevation
4500

Flower Characteristics

Opens at dawn, borne singly at the end of short stalks; 4 pointed green sepals protrude beyond the edges of 4 overlying oval petals; 1/4 to 1/2 inch long; tips are flat or shallowly notched; small red markings near the bases; stigma spheric.

Flower color
Yellow
Flower shape
Regular
Tubular
Yes
First bloom month
July
Last bloom month
August
Flower clusters
None

Leaf and Stem Characteristics

Basal rosette of narrow, lance-shaped leaves covered with stiff, straight hairs, lying flat against the ground, up to 2 inches long, with smooth or finely toothed edges.

Leaf type
Simple
Leaf color
Grayish-green
Leaf shape
Narrow
Leaf margin
Toothed
Leaf attachment
Basal & Alternate
Leaves clasp
No
Leaf hairs
Leaves
Spines
No

Fruit and Seed Characteristics

Straight to tightly coiled, 4-angled at least when dry, not swollen by seeds, without stems.

Fruit type
Capsule

1 row of seeds per chamber, narrowly reverse egg-shaped, flattened, dull brown-black.