''Antirrhinum coulterianum'' (

syn. The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...

''Sairocarpus coulterianus'') is a species of New World

snapdragon ''Antirrhinum'' is a genus of plants commonly known as dragon flowers, snapdragons and dog flower because of the flowers' fancied resemblance to the face of a dragon that opens and closes its mouth when laterally squeezed. They are native to r ...

known by the common name Coulter's snapdragon.

Distribution

It is native to southern

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

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 ...

, where it grows in desert shrublands and in the coastal hills and mountains, especially in areas that have recently burned.

Description

''Antirrhinum coulterianum'' is an annual herb producing an erect stem which often clings to objects or other plants for support. It is mostly hairless, except for 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 ...

at the top, which can be quite woolly. Leaves are sparse and generally linear and there is often a basal rosette of leaves at the base of the stem; this is the only ''Antirrhinum'' that forms such a rosette. The top of the mostly naked stem is occupied by a

raceme A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...

inflorescence of white snapdragon flowers, which are often tinted with lavender or pink, especially when newly opened. Each flower is about a centimeter wide.

References

External links

Jepson Manual Treatment: ''Antirrhinum coulterianum''USDA Plants Profile''Antirrhinum coulterianum'' — U.C. Photo gallery
coulterianum Flora of California Flora of Baja California Flora of the California desert regions Natural history of the California chaparral and woodlands Natural history of the Mojave Desert Natural history of the Peninsular Ranges Natural history of the Transverse Ranges Flora without expected TNC conservation status {{Plantaginaceae-stub