Plagiobothrys collinus

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Plagiobothrys collinus
Plagiobothryscollinus.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Plagiobothrys
Species:P. collinus
Binomial name
Plagiobothrys collinus
(Phil.) I.M.Johnst.

Plagiobothrys collinus is a species of flowering plant in the borage family known by the common name Cooper's popcornflower. [1]

Boraginaceae Family of plants

Boraginaceae, the borage- or forget-me-notfamily, includes a variety of shrubs, trees, and herbs, totaling about 2,000 species in 146 genera found worldwide.

Contents

Distribution

The annual plant is native to California, Arizona, and northern Baja California (Mexico).

California State of the United States of America

California is a state in the Pacific Region of the United States. With 39.6 million residents, California is the most populous U.S. state and the third-largest by area. The state capital is Sacramento. The Greater Los Angeles Area and the San Francisco Bay Area are the nation's second- and fifth-most populous urban regions, with 18.7 million and 9.7 million residents respectively. Los Angeles is California's most populous city, and the country's second-most populous, after New York City. California also has the nation's most populous county, Los Angeles County, and its largest county by area, San Bernardino County. The City and County of San Francisco is both the country's second-most densely populated major city after New York City and the fifth-most densely populated county, behind only four of the five New York City boroughs.

Arizona state of the United States of America

Arizona is a state in the southwestern region of the United States. It is also part of the Western and the Mountain states. It is the sixth largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona shares the Four Corners region with Utah, Colorado, and New Mexico; its other neighboring states are Nevada and California to the west and the Mexican states of Sonora and Baja California to the south and southwest.

Baja California Federal entity in Mexico

Baja California, officially the Free and Sovereign State of Baja California, is a state in Mexico. It is the northernmost and westernmost of the 32 Federal Entities of Mexico. Before becoming a state in 1952, the area was known as the North Territory of Baja California. It has an area of 70,113 km2 (27,071 sq mi), or 3.57% of the land mass of Mexico and comprises the northern half of the Baja California Peninsula, north of the 28th parallel, plus oceanic Guadalupe Island. The mainland portion of the state is bordered on the west by the Pacific Ocean, on the east by Sonora, the U.S. state of Arizona, and the Gulf of California, and on the south by Baja California Sur. Its northern limit is the U.S. state of California.

It can be found in many types of habitats, including coastal sage scrub, chaparral, valley grassland, and open areas of oak woodland. [1]

Habitat ecological or environmental area inhabited by a particular species; natural environment in which an organism lives, or the physical environment that surrounds a species population

In ecology, a habitat is the type of natural environment in which a particular species of organism lives. It is characterized by both physical and biological features. A species' habitat is those places where it can find food, shelter, protection and mates for reproduction.

Coastal sage scrub

Coastal sage scrub, also known as coastal scrub, CSS, or soft chaparral, is a low scrubland plant community of the California coastal sage and chaparral subecoregion, found in coastal California and northwestern coastal Baja California. It is within the California chaparral and woodlands ecoregion, of the Mediterranean forests, woodlands, and scrub biome.

Chaparral shrubland or heathland plant community found primarily in the US state of California and in the northern portion of the Baja California Peninsula, Mexico.

Chaparral is a shrubland or heathland plant community found primarily in the US state of California and in the northern portion of the Baja California Peninsula, Mexico. It is shaped by a Mediterranean climate and wildfire, featuring summer-drought-tolerant plants with hard sclerophyllous evergreen leaves, as contrasted with the associated soft-leaved, drought-deciduous, scrub community of coastal sage scrub, found below the chaparral biome. Chaparral covers 5% of the state of California and associated Mediterranean shrubland an additional 3.5%. The name comes from the Spanish word chaparro, for evergreen oak shrubland.

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]

Inflorescence Term used in botany to describe a cluster of flowers

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. The modifications can involve the length and the nature of the internodes and the phyllotaxis, as well as variations in the proportions, compressions, swellings, adnations, connations and reduction of main and secondary axes. Inflorescence can also be defined as the reproductive portion of a plant that bears a cluster of flowers in a specific pattern.

The fruit is a minute nutlet with angular cross-ribs visible in magnification. [2]

Varieties

Varieties include: [1]

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References

  1. 1 2 3 Calflora: Plagiobothrys collinus
  2. 1 2 3 Jepson eFlora: Plagiobothrys collinus
  3. ↑ Calflora: Plagiobothrys collinus var. californicus
  4. ↑ Calflora: Plagiobothrys collinus var. fulvescens
  5. ↑ Calflora: Plagiobothrys collinus var. gracilis
  6. ↑ Calflora: Plagiobothrys collinus var. ursinus


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