Search results
Results from the WOW.Com Content Network
Dichotomous Key to Families. See list of 185 families in this key. See list of 21 families in 1a. GROUP 1. 1a. Plants typically reproducing by spores, seeds and fruits not produced; gametophyte independent of sporophyte; ferns and fern -like plants. See list of 164 families in 1b.
Key characteristics. Leaves consisting of a narrow blade and a tubular sheath around the stem; small, inconspicuous flowers without obvious sepals and petals.
Identify over 3,000 New England plants by using either our multiple-access Full Key or our Dichotomous Key to families, genera, and species. Also learn about subspecies and varieties native to our region.
What’s a Dichotomous Key? A dichotomous key presents a set of paired choices that describe various plant characteristics. To identify a plant, you choose the description that best matches the plant you are trying to identify. This leads you to another pair of choices.
Asteraceae. See list of 135 genera in this family. Brickellia grandiflora (Hook.) Nutt. was reported from RI by Kartesz (1999), based on George (1992); however, George (1999) stated this species had questionable naturalization in RI. See list of 19 genera in 1a.
Plants armed by means of reduced, spine-tipped phyllodes; legume mostly enclosed in the persistent calyx
Dichotomous key to all 3,500 New England taxa. If you are an experienced botanist, use our Dichotomous Key tool. A dichotomous key presents a set of paired choices that describe various plant characteristics. You choose the one that best matches the plant you are trying to identify.
See list of 2 species in 4b. relatively uniform and often with an unbranched main stem; irregular, the main stem and branches often forked; See list of 3 species in 3b. Leaves 2–7 (–8) cm long, noticeably twisted (relatively straight in the planted.
Dichotomous Key. Fagaceae. Quercus. Quercus. See list of 16 species in this genus. The following identification key has been written for mature sun leaves. Due to the differences in shape and pubescence between sun and shade leaves, adjustments may be needed if shade leaves are used.
Species with 3-lobed leaf blades often will produce unlobed blades at the apex of shoot growth. Therefore, these leaves should not be used for identification purposes. Reference: McAtee (1956).