''Cressa truxillensis'' is a species of flowering plant in the morning glory family known by the common name spreading alkaliweed. It is native to the western United States and Mexico, where it grows in habitat with

saline Saline may refer to: Salt-related * Saline (medicine), a liquid with salt content to match the human body * Saline water, non-medicinal salt water * Saline, a historical term (especially American) for a salt works or saltern Places United States ...

alkaline soils Alkali, or alkaline, soils are clay soils with high pH (greater than 8.5), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 metre depth. Alkali soils owe their unfavorable physico ...

, such as beaches, desert flats, and playas. This is a perennial herb producing an erect stem with many branches up to about tall. The clump of stems is densely lined with silky hairs and studded with many small hairy oval leaves, each under a centimeter long. Flowers appear in the axils of the uppermost leaves. Each has a white corolla with five pointed lobes surrounded by hairy green

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 Etymology The term ''sepalum'' ...

s. There are five protruding

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s and two styles.

External links

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Convolvulaceae {{Solanales-stub