Biology:Plagiobothrys collinus
| Plagiobothrys collinus | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Boraginales |
| Family: | Boraginaceae |
| Genus: | Plagiobothrys |
| Species: | P. collinus
|
| Binomial name | |
| Plagiobothrys collinus (Phil.) I.M.Johnst.
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Plagiobothrys collinus is a species of flowering plant in the borage family known by the common name Cooper's popcornflower.[1]
Distribution
The annual plant is native to California , Arizona, and northern Baja California (Mexico).
It can be found in many types of habitats, including coastal sage scrub, chaparral, valley grassland, and open areas of oak woodland.[1]
Description
Plagiobothrys collinus is an annual herb with a spreading or erect stem 10–40 centimetres (3.9–15.7 in) in length. The leaves along the stem are 1 to 4 centimeters long, the lower ones oppositely arranged and the upper ones alternate. The herbage is coated in fine and rough hairs.[2]
The inflorescence is a long, widely spaced series of tiny flowers, each with a five-lobed white corolla no more than 7 millimeters wide, sometimes as small as one millimeter. The bloom period is February through May.[2]
The fruit is a minute nutlet with angular cross-ribs visible in magnification.[2]
Varieties
Varieties include:[1]
- Plagiobothrys collinus var. californicus — California popcorn flower, primarily Peninsular Ranges in California and Baja California (México).[3]
- Plagiobothrys collinus var. fulvescens — California popcornflower, rusty haired popcorn flower, native to California chaparral and woodlands habitats in California and Baja California.[4]
- Plagiobothrys collinus var. gracilis — Graceful popcorn flower, endemic to coastal sage scrub in Southern California, including the Channel Islands.[5]
- Plagiobothrys collinus var. ursinus — Northern popcorn flower, native to eastern Transverse Ranges and Peninsular Ranges in southern California and northwestern Baja California.[6]
References
External links
- Calflora Database: Plagiobothrys collinus (Cooper's popcornflower)
- Jepson Manual eFlora (TJM2) treatment of Plagiobothrys collinus
- UC Photos gallery: Plagiobothrys collinus
Wikidata ☰ Q7200462 entry
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