''Muhlenbergia appressa'', the Devils Canyon muhly, is a species of

grass Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

. It is native to the desert region where

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

and

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

border

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

. ''Muhlenbergia appressa'' has also been collected on

San Clemente Island San Clemente Island (Tongva: ''Kinkipar''; Spanish: ''Isla de San Clemente'') is the southernmost of the Channel Islands of California. It is owned and operated by the United States Navy, and is a part of Los Angeles County. It is administered b ...

, one of the

Channel Islands of California The Channel Islands () are an eight-island archipelago located within the Southern California Bight in the Pacific Ocean, off the coast of California. The four Northern Channel Islands are part of the Transverse Ranges geologic province, and ...

, in the chaparral and woodlands habitat.. ''Muhlenbergia appressa'' is an annual grass growing up to about 40 centimeters tall. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is very narrow, with short, appressed branches. The spikelets have awns up to 3 centimeters long. Spikelets low on the inflorescence often stay wrapped in sheaths and do not bloom.

External links

Jepson Manual Treatment - ''Muhlenbergia appressa''USDA Plants Profile; Muhlenbergia appressaGrass Manual Treatment''Muhlenbergia appressa'' - Photo gallery
appressa Native grasses of California Grasses of the United States Flora of Arizona Flora of Baja California Flora of the California desert regions Natural history of the California chaparral and woodlands Natural history of the Channel Islands of California Flora without expected TNC conservation status {{Chloridoideae-stub