''Menodora spinescens'' is a species of flowering plant in the olive family known by the common name spiny menodora. It is native to the southwestern United States, where it grows in varied mountain, canyon, and desert habitat in

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...

Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

and

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

. ''Menodora spinescens'' is a

shrub A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

producing upright stems up to 90 centimeters tall, branching densely to form a thicket, the smallest branches tipped with spines. It is coated sparsely in short hairs. The fleshy green leaves are oblong or oval in shape, up to a centimeter long, and mostly borne in clusters. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

is a cluster of tube-throated flowers growing in

axils A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, f ...

, in splits between leaf clusters. The flowers are pink in bud and mostly white in bloom. The fruit is a capsule.Cronquist, A.J., N. H. Holmgren & P. K. Holmgren. 1997. Vascular plants of the intermountain west, U.S.A., subclass Rosidae (except Fabales). 3A: 1–446. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora, Hafner Pub. Co., New York.

References

External links

Calphotos, University of California (Berkeley California USA) Photo gallery
* ttp://www.birdandhike.com/Veg/Species/Shrubs/Menodo_spi/_Men_spi.htm Bird and Hike, Jim Boone, Vegetation Around Las Vegas, Spiny menodorabr>Gardening Europe (Concesio, Lombardia, Italy), Orniello, Menodora spinescens
spinescens Flora of California Flora of Nevada Flora of Utah Flora of Arizona Plants described in 1868 Flora without expected TNC conservation status {{Oleaceae-stub