Dendromecon

Bentham

Trans. Hort. Soc. London, ser. 2, 1: 407. 1835 [Greek dendron, tree, and mekon, poppy].

Treatment appears in FNA Volume 3.
 TaxonIllustrator 
FNA03 P56 Sanguinaria Stylophorum Dendromecon pg 307.jpegSanguinaria canadensis
Stylophorum diphyllum
Dendromecon rigida
John Myers
John Myers
John Myers

Shrubs or small trees, evergreen, glabrous; sap colorless. Stems leafy. Leaves alternate, short-petiolate; blade unlobed, leathery; margins entire or minutely denticulate. Inflorescences terminal on short branchlets, 1-flowered. Flowers: sepals 2, distinct; petals 4, yellow, obovate or obcuneate, with satin sheen from microscopic linear grooves; stamens many; pistil 1, 2-carpellate; ovary cylindric to long-conic, 1-locular; style absent; stigmas 2, obcompressed. Fruits capsular, cylindric, 2-valved, dehiscing from base along placentas. Seeds many, brown or black, obovoid, smooth, pale carunculate, aril absent. x = 28.

Distribution

w North America

Discussion

Species 2 (2 in the flora).

Selected References

None.

Key

1 Leaf blades lanceolate, 3–8 times longer than wide, margins minutely denticulate, apex acute to acuminate; mainland. Dendromecon rigida
1 Leaf blades elliptic, ovate, or oblong, 1.5–3 times longer than wide, margins entire, apex usually rounded; California Channel Islands. Dendromecon harfordii
... more about "Dendromecon"
Curtis Clark +
Bentham +
palmate +  and subpalmate +
unlobed +
w North America +
sessile +, pedicellate +  and symmetric +
2-valved +  and capsular +
cylindric +
microscopic +
paniculate +  and racemose +
terminal +  and axillary +
short-petiolate +
cauline +  and basal +
denticulate +  and entire +
1-2-locular or +  and incompletely completely multilocular +
cylindric +  and long-conic +
distinct +
obcuneate +  and obovate +
2 times number of sepals +
Trans. Hort. Soc. London, ser. +
colorless +
carunculate +
pale +, black +  and brown +
obovoid +
distinct +
obovate +
decumbent +, spreading +  and erect +
obcompressed +
Dendromecon +
Papaveraceae +
caulescent +  and scapose +
tree +  and shrub +