Final Families pt. 4 Flashcards
(15 cards)
lily family
Liliaceae
agave family
Agavaceae
iris family
Iridaceae
orchid family
Orchidaceae
palm
Arecaceae
Rep. genera: Calochortus (mariposa lilies) Fritillaria (chocolate lily) Lilium (lilies) Tulipa (tulips)
Liliaceae
Habit:
- herb perenn’s from bulb/corm/rhizome
Stem:
- underground (bulb/corm/rhizome) or erect
Calyx:
- perianth parts 6, in 2 petal-like whorls
Fruit:
- capsule, gen 3-chambered w/many small seeds
Liliaceae
Rep. genera: Agave Clorogalum (soap plant) Hesperoyucca (chaparral yucca) Yucca (spanish bayonet)
Agavaceae
Leaves:
- simple, gen sessile/basal/or terminal rosettes
- often fleshy
- linear/lanceolate/ovate
- margin entire OR often w/teeth or sharp tip
Flowers:
- perianth funnel-bell shape, cream/white/yellow
Calyx:
- perianth parts 6, in 2 petal-like whorls
Fruit:
- capsule; seeds flat & black
Agavaceae
Rep. genera: Freesia Gladiolus Crocus Iris Sisyrinchium
Iridaceae (iris family)
Habit:
- herb peren’s
- gen corm/rhizome (rarely bulbs)
- leaf structure diagnostic
Leaves:
- gen basal
- gen 2-ranked, edge-wise to stem
- sword shaped
- sheathing
- equitant (base folded & partly enclosing the leaf next above it)
Fruit:
- capsule
Iridaceae (iris family)
Rep. genera: Cymbidium (boat orchid) Phalenopsis (moth orchid) Epidendrum Epipactis Piperia
Orchidaceae
Habit:
- cosmopolitan, but mostly tropical
- herb pers; terrestrial , litho-/epiphytic (well drained)
- green/non-green (nutrition from fungi)
Leaves:
- simple, entire, often fleshy, parallel veins
- often w/pseudobulbs for h2o storage
Roots:
- in epiphytic spp, velamen is present
Calyx:
- sepals 3, gen free & petaloid, dorsal erect, mentum occ (0)
Corolla:
- petals 3 ( 1=labellum/lip)
Andr:
- fused w/style & stigma (column)
- pollen in lumpy/sticky pollinia
- pollinia under anther cap
Fruit:
- capsule w/many minute seeds (>1mil some spp.)
- dust-like seeds wind dispersed; lack endosperm
- must for symbiosis w/fungus in germination
- sexual deception for pollination
Orchidaceae
Rep. genera:
- Washingtonia (fan palm)
Phoenix
Syagrus
Arecaceae (palm family)
Habit:
- evergreen tree (shrub/subshrub/liana)
- typically one large stem w/large compound leaves
- mostly tropical/sub-trop/warm-temperate near water
- cultivated for food/building/ornamentals
Leaves:
- palm/pinnately compound OR deeply dissected
- parallel venation
- petioled
- form terminal crown
Stem:
- gen erect(occ creep/climb)
- smooth or w/bases of lvs/petioles attached
Flowers:
- INFL large panicle (spike); peduncle subtended by spathe
- fls many, small, radial, w/cream-color perianth
Fruit:
- drupe
Arecaceae (palm family)