Arizona Naturalists >>> Ponderosa Woodland Flora >>> Nyctaginaceae >>> Mirabilis pumila

Dwarf Four O'Clock

Mirabilis pumila

Dwarf Four O'Clock, Mirabilis pumila, photo © by Mike Plagens

Observed along a roadside in the ponderosa forest of Upper East Verde watershead just below the Mogollon Rim, Gila Co., Arizona, USA. August 2010.

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FLOWERS: Three to five + smaller flowers are packed together looking like one flower and subtended by cuplike set of bracts. Pink. The petals close up by mid morning having opened the previous afternoon.

LEAVES: Leaves are triangular with base usually tapering. The leaves are slightly fleshy and feel sticky to the touch.

ANNUAL: An herbaceous plant that grows close to ground with a few stems rising to 20cm.

RANGE: Fairly common in ponderosa woodlands where the soil is slightly moist. Blooming late spring to fall.

FRUIT: Each of the separate flowers in the inflorescence gives rise to a club-shaped capsule with one seed.

UNARMED. No spines.

Nyctaginaceae -- Four O'Clock Family

More Information:

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Arizona Naturalist
Arizona's Ponderosa Woodlands
The Flora of Arizona's Ponderosa Woodlands


Copyright Michael J. Plagens, page created 11 February 2012