Penstemon californicus

Penstemon californicus is a species of penstemon known by the common name California penstemon. It is native to the Mexican state of Baja California but is also found in a few places in the American state of California. It grows in the forest and woodland habitat of the Peninsular Ranges and nearby slopes.

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Penstemon californicus is a perennial species that typically grows 8–30 centimeters in height, but may occasionally be stunted to as little as 5 cm. The stems are herbaceous, but grow from a woody base. Stems either grow straight upwards or outwards for a short distance before growing upwards (ascending) and are covered in white scale-like hairs that point backwards. The leaves are no more than 16 millimeters long, but may be as short as 8 mm. They range from 1.5–2.5 mm wide with a very narrow lance head shape, wider past the midpoint (oblanceolate )with a tapered base attached by a petiole and a central vein that protrudes at the end of the leaf tip (mucronate). The leaf is covered in white hairs that scale shaped, pressed close to the leaf surface, and point backwards. This makes the leaves ashy or pale in color and have smooth edges without teeth or lobes. The plants are quite leafy at the base with the flowering stems protruding from the low canopy. The inflorescence produces tubular flowers between 14 and 18 millimeters long, purple to blue in color with dark-striped white throats containing hairy staminodes.