Dichotomous key

A.Plant One: B. Needles with flat cross section–slightly rounded at the tip, green in colour–some brown spots. B1. Branchlets glabrous; cones. B2. Thick, cylindrical bole (trunk)–aereal stem of plant.  B3. Perennial plant. A. Plant Two: C. Flower white in colour. C1. Rootstock stout; drooping. C2. Compound plants. C3. Nodes and …

Dichotomous Key

1a: Plant with cones……. Plant 1         1b: Plant without cones             2a Leaves lanceolate or narrow and pubescent                         3a Leaves gathered near top of stem ….. Plant 3                         3b Leaves more numerous near base of stem …. Plant 2             2b Leaves ovate and pubescent …. Plant 4

Dichotomous Key

A. Plants with Needles…Plant 1 A.1   Plants with leaves…B B. Plants with complete flower…C B.1   Plants with pistillate and staminate flowers…Plant 4 C. Petals are white…Plant 2 C.1   Petals are purple…Plant 3 Plant One:                                                                                             Plant Two                                                                 Plant Three:                                                                           Plant Four:

Dichotomous key for the four plants.

Dichotomous key A = tree like —————————————————————— B A1 = herbaceous ——————————————————————C B = pine cones —————————————————————— pine  B1 = no pine cones———————————————————— willow  C = entire margin, simple leaf ——————————————————– sapling willow  C1 = compounding leaves ————————————————————— D D = odd pinate compound————————————– rock cress young D1 palmate compound …

Dichotomous Key for 4 Plants

Dichotomous Key for 4 Plants – Biol 190 A – Woody …………………………………………………….B A1 – Herbaceous……………………………………………….C                B – Has needles…………………………………….  Spruce                B1 – Does not have needles…………………………… Willow C – Simple leaf, margin entire………………………………..  Willow (young stems) C1 – Compound leaf………………………………………….. D                D – Leaves oddly pinnate compound …

Dichotomous Key

Dorene Asay Dichotomous Key A.Plant with Needles. – Plant 1. A1. Plants with leaves. – B B. Plant with perfect flowers. – C B1. Plant with imperfect flowers, only staminates and pistillates – Plant 4 C.Plant with white flowers – Plant 2 C1.  Plant with purple flowers – Plant 3