Details of...
Scientific Name: Cannabis sativa
Pronunciation: CANN-ah-bis suh-TYE-vuh
Common Name: marijuana
Family Name: Cannabaceae
Plant Type: Annual
Key ID Features: Leaves alternate on upper stems, rounded with 5-9 lance-shaped to elliptic leaflets with serrated margins (reminiscent of some Japanese maples); florets surrounded by green bracts in condensed spike-like cymes.
Course(s): not used (off campus)

Habit: Dense, Upright
Form: Columnar, Oval - vertical, Pyramidal - narrowly, Pyramidal - widely, Vase
Texture: Medium
Mature Size:
Height:1.3 - 2.0m
Spread:0.6 - 1.0m
Growth Rate:Fast
Origin: Central / west Asia (Mongolia, S. Siberia, China - NW of Himalayas)
Hardiness Rating: Zone 7: (-18 to -12 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Well-drained
Water Use: High
Landscape Uses: Medicinal plant
Additional Info: Google. Compare to C. indica (normally shorter and stockier; leaves broader, deeply serrated; inflorescence more compact and dense; effect predominantly physical and sedative - Wikipedia). NOTE: currently only C. sativa is recognized by The Plant List (indica is a subspecies). Much genetic variability relating to active ingredients and cold hardiness.
Leaf Morphology: Glossary
Form: Compound
Arrangement: Alternate
Texture/ Venation: Soft flexible
Surfaces: Distinctive smell, Pubescent
Compound Leaf: Digitate (palmate)
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Elliptic, Lanceolate
Apices: Acuminate
Bases: Rounded
Margins: Serrate
Additional Info: Arrangement opposite on lower part of stems

Inflorescence Type: Spike-like, Cyme
Flower Morphology:Dioecious plant
Number of Petals:0
Ovary Position:Superior
Colour (petals): White, Green-yellow, Green, Pink
Flower Time at Peak: May, Jun, Jul, Aug
Additional Info: Monoecious plants may also occur; most non-tropical stains do not initiate flowering without at least 11 hours of continuous darkness for > 7 days

Fruit Type: Achene
Fruit Colour: Brown
Fruiting Time: Aug, Sep
Additional Info: Not showy

Bark Morphology: Lightly fissured, Prominent lenticels
Bark or Stem Colour: Yellow, Green

Propagation: Seed, Cuttings
Plant Care:
Optimal Temp.: Medium indoor temperature
Light Level:High indoor light level
Maintenance:High maintenance plant
Other:More information
Pest Susceptibility: Abiotic disorder, Aphids or adelgids, Caterpillar or cutworm, Mildew, Mites, Thrips, Virus, Whitefly or psyllids,
(NCA) Not Currently Available : (entry added for CPS course)
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