### plant | tracheophyte | bush:

Periwinkle
* Most periwinkles have background color
  - gray color
* Most periwinkles live in intertidal zones
* Most periwinkles occur in fields
  - habitats
  - produce flowers
  - tolerate full shades
* Some periwinkles grow in habitats
  - under trees
* Some periwinkles occur in annual grassland
  - patches
  - produce plants
  - store food
* also contain the alkaloids reserpine and serpentine, which are powerful tranquilizers
  - reproduce by sexual discharge into the oceans
* are algae eaters
  - annual plants
  - essentially a small, marine snail with a dark, banded shell
  - graded by number of snails per kilogram
  - grazers of seaweeds
  - herbs
  - mollusks
  - seafood
* are the most colorful of the three animals
  - common animals
  - vegetarians
* can perform very well in the landscape with little irrigation.
* distribute themselves in different positions on the shore.
* eat algae and plankton
* grows well under trees and shrubs, on shaded slopes or on the north side of buildings.
* have a conical spiral shell, and feed on algae
* have gray background color
  - opposite leaves
* help to control the abundance of the algae community.
  - cells
  - cytoplasm
* likes soil that is rich with humus, moist, and loosely packed.
* live high in the inter-tidal region.
* prefers full sun and takes a long time to flower when started from seed.
* prey on some of the mussels by drilling through the shell.
* survive low tide or danger by closing their operculum or trap door.

### plant | tracheophyte | bush | periwinkle:

Common periwinkle
* Most common periwinkles live in intertidal zones
  - occur in fields
* Some common periwinkles grow in habitats
  - occur in patches
* are a type of marine snail
  - native to western Europe
* grow quickly and form roots whenever the stems touch the ground.
* is adapted to a wide range of soils
  - mild climates
  - distributed throughout the East
* tolerate full shades

Myrtle
* are periwinkles.
* dislike having their roots wet for too long.
* grow luxuriantly between the rough rocks and cyclopic ruins.

Rosy periwinkle
* contains a drug that fights some forms of childhood leukemia.
* grows up to two and a half feet tall.
* produces chemicals to fight leukemia.

### plant | tracheophyte | bush:

Privet
* Most privets have dark foliage
  - green foliage
* Most privets survive cold winter
* Some privets adapt to conditions
  - are distinguished from privets
  - belong to families
  - grow feet
  - have flowers
  - invade stream beds
* Some privets prefer damp habitats
  - wet habitats
* Some privets produce flower pollen
* are considered to be serious environmental weeds throughout Australia
  - native to Europe, Asia, and the Mediterranean regions
* can be invasive and spread to unwanted areas.
* comes from shrubs in the olive family.
* includes cell membranes
  - cells
  - corpi
  - nuclei
  - plasma membranes
  - sections
  - vacuoles
  - xylem
* invade native and plantation forest industries, orchards and pastures in Australia.
* refers to any of a number of shrubs or trees in the genus Ligustrum.
* requires a well-drained soil to prevent root rots.
* shades out all herbaceous plants.
* tolerate heavy pruning and recover very quickly.
* work well as hedges to divide areas of the garden.

### plant | tracheophyte | bush | privet:

Chinese privet
* Some chinese privets are distinguished from privets.
* Some chinese privets prefer damp habitats
  - wet habitats
* has an extensive, but shallow root system.
* invades natural areas throughout much of southern and eastern North America.
* is used in traditional herbal medicine
  - versatile, able to survive a wide range of habitats, soil and light conditions
* reproduces both asexually and sexually.
* semi-deciduous shrub, which can reach twelve feet in height.
* tends to dominate the shrub layer of any habitat that it invades.