Dendromecon rigida

Dendromecon rigida, also called bush poppy or tree poppy, is a shrub or small tree of the Papaveraceae native to California and Baja California.[1]

Dendromecon rigida
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Papaveraceae
Genus: Dendromecon
Species:
D. rigida
Binomial name
Dendromecon rigida

Distribution

Dendromecon rigida occurs in Northern California in the foothills of the California Coast Ranges, Klamath Mountains, southwest Cascade Range, and western Sierra Nevada in the Montane and Interior chaparral and woodlands and other habitats.[1]

It is found in the foothills of the Transverse Ranges and Peninsular Ranges and in other areas, in Interior and Montane chaparral and woodlands and other habitats, in Southern California and northern Baja California Peninsula.[1]

The plants occur in these regions up to 1,800 metres (5,900 ft) in elevation. Plants grow on dry slopes and washes, and prefer areas that have just been burned.[1]

Description

Dendromecon rigida is a small shrub, rarely exceeding 3 metres (9.8 ft) tall. The leaves are alternate, narrow lanceolate, 3–10 cm long, more than three times as long as broad. The margin of the leaves is finely toothed. The plant is evergreen and the leaves are somewhat leathery to the touch.

The inflorescences are solitary and terminal. The flowers are 2–7 cm diameter, with four satiny yellow petals. Plants bloom in late winter to mid-spring. The receptacle is funnel-shaped and surrounds the ovary base. Two sepals are shed when the flower blooms, and the petals are shed as well after pollination. There are many free stamens.

The fruits produced are cylindric and dehiscent from the base; the fruits measure 5–10 cm long. The many seeds are smooth, brown or black, with a small pale outgrowth.

Varieties
Dendromecon rigida
botanical art by Mary Vaux Walcott.

Cultivation

Dendromecon rigida is cultivated as an ornamental plant by specialty plant nurseries. It is used in native plant and drought tolerant gardens and natural landscaping.

This poppy prefers fast draining soils but will grow well in clay soil if there is little to no water after it is established. It has a pH tolerance from 6 to 8 and a rainfall tolerance of 31 to 90 cm. This bush also prefers to be in full sun.

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References
  1. Jepson
  2. CalFlora Database: Dendromecon harfordii; accepted by TJM2 + USDA PLANTS + JM93 . accessed 1.14.2014
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