Skip to main content

Chaenactis stevioides - Esteve's pincushion

Scientific Family
Asteraceae
Synonyms
Chaenactis gillespiei, C. latifolia, C.mexicana, C. stevioides var. brachypappa, C. stevioides var. thornberi
Other common names
broad-flower pincushion
Steve's dusty maiden
Steve's pincushion
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Similar species
Chaenactis fremontii
Height
To almost 14 inches
Riparian
No

1 to 12 purplish stems that branch profusely; basal leaves wither early; green or grayish-green stem leaves are divided into short, fleshy, narrow segments. Flower stalks bear mostly white compact pincushion-like flower heads with enlarged outer florets.

Rounded white, pink or pale yellow flower heads, disc flowers 5, somewhat showy lobes, no ray flowers, outer flowers open wider, anthers protrude; flower head bracts hairy, pointed; basal leaves wither early; leaves lobed, often divided twice, fleshy.

Habitat

Found in open dry sites like mesas or plains, often in sandy to gravelly soils on slopes, on flats, in washes and shrublands.

Plant Community
Desert Scrub
Grasslands
Interior Chaparral
Low elevation
1000
High elevation
6500

Flower Characteristics

The flower stalk bears 5 to 20 loose clusters of dense 3/4 inch wide flower heads. Each head is composed entirely of about 2 dozen tiny tubular flowers (disc flowers) which are star-shaped and noticeably larger around the margins than in the center.

Flower color
White, at times pinkish, pale yellow
Flower shape
Daisy or dandelion-like
Tubular
Yes
First bloom month
February
Last bloom month
June
Flower clusters
Elongated

Leaf and Stem Characteristics

Leaves are up to 2 inches long, fleshy, with soft, long, entangled hairs (woolly) and divided twice into 4 to 8 short, thick, very narrow segments. Stems have thin, cobwebby, silky hairs becoming smooth with age, usually purplish but can be blue-green.

Leaf type
Simple
Leaf color
Green or grayish-green
Leaf shape
Pinnatifid
Leaf margin
Lobed
Leaf attachment
Basal & Alternate
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

Fruit is brown to black, 1/4 to 1/2 inch long with stiff, sharp, flat hairs. It is topped with 1 to 5 (often 4) scales of unequal lengths that are half or more as long as the fruit itself and don't extend above the tops of the petals during flowering.

Fruit type
Achene
Fruit color
Brown to black

Each fruit produces 1 dry, dark brown seed ranging from 1/4 to 1/2 inch long.