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Phacelia cryptantha - hiddenflower phacelia

Scientific Family
Hydrophyllaceae
Other common names
hidden-flower scorpion-weed
limestone phacelia
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Height
6 to 19 inches
Riparian
No

Erect but weak-stemmed plant with lobed, sometimes compound leaves and small blue to lavender bell-shaped flowers in a coil-shaped inflorescence.

Weak stems, lobed leaves, few or no glandular hairs; corolla up to or slightly larger than 1/4 inch wide; calyx (sepals) with stiff or bristly hairs, lobes contracted; inflorescences curled, unfolding as flowers develop, stamens do not exceed petals.

Habitat

Gravelly or rocky slopes, canyons, often under shrubs.

Plant Community
Desert Scrub
Interior Chaparral
Montane Conifer Forest
Pinyon Juniper Woodlands
Low elevation
2500
High elevation
6000

Flower Characteristics

The inflorescence is a one-sided curving or coiling cyme (convex flower cluster). The top flower blooms first. The flower is pale blue to lavender, less than 1/4 inch long, and surrounded by long, narrow linear sepals covered in hairs.

Flower color
Bluish-purple to reddish-purple
Flower shape
Regular
Tubular
No
First bloom month
March
Last bloom month
June
Flower clusters
Elongated

Leaf and Stem Characteristics

Leaves elliptic to ovate, lower generally compound, upper lobed to compound.

Leaf type
Compound
Leaf color
Green
Leaf shape
Pinnatifid
Leaf margin
Lobed
Leaf attachment
Alternate
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

Spheric, hairy capsule less than 1/4 inch long.

Fruit type
Capsule

Seeds pitted, oblong to spheric, brownish, usually 4 per capsule.