''Antirrhinum vexillo-calyculatum'' (syn. ''Sairocarpus vexillocalyculatus'' (Kellogg) D.A. Sutton) 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 ...
found only in California and occasionally Oregon.
[''Antirrhinum vexillocalyculatum'' ssp. ''breweri''.]
The Jepson Manual. This wildflower is known by several common names, including wiry snapdragon, sailflower snapdragon, and Brewer's snapdragon.
The plant twines along other plants or objects with its branchlets. It produces lavender snapdragon flowers 1 to 2 centimeters wide. The flower has a prominent lower lip and it may be streaked with darker purple. This species is most abundant in the low-elevation mountains of northern and central California, where it grows in rocky areas and especially in
serpentine soil
Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains minerals of the serpentine subgroup, especially anti ...
.
References
External links
USDA Plants ProfileJepson Manual Treatment
vexillo-calyculatum
Flora of California
Flora of Oregon
Flora without expected TNC conservation status
{{Plantaginaceae-stub