Calylophus lavandulifolius (Torr. & A. Gray) P.H. Raven
Lavenderleaf sundrops
Lavender-leaf sundrops are members of the evening primrose family.
Plants: 3–12″ (7.6–30 cm) high, usually with multiple stems.
Leaves: Stems are crowded with narrow leaves that attach directly. They are alternate, linear to lanceolate, cupped, and covered with fuzzy hairs.
Flowers: Bright lemon yellow, with four crinkly petals, less than 2″ (5 cm) across. The buds have purple stripes; sometimes they are predominantly purple. As the flowers age, they pass through shades of pink, orange, or rust. They are in bloom between April and September.
Fruits: Capsules are ⅛–⅞ ⨉ 1/32–⅛″ (6–25 ⨉ 1–3 mm), hard, and dehiscent throughout their length. Seeds are obovoid, and 1/32–1/16″ (1.5–2.5 mm) in size.
Habitats: Dry rocky, hillsides and ledges, stream valleys, roadsides, disturbed ground, ponderosa forest clearings, and open wooded hillsides, between 4300-7600 feet.
Online References:
6/1/2009 · Bryce Canyon, Utah 
6/1/2009 · Bryce Canyon, Utah 
| Parents | Unknown | Genus is not in the current taxonomy |
| Genus | Calylophus | |
| Species | lavandulifolius |
Calylophus lavandulifolius description by Thomas H. Kent, not updated.
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