Dendromecon

Bentham

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

Treatment appears in FNA Volume 3.
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 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 +