2021 NPLD BioBlitz at Rye Preserve's Boletim

27 de setembro de 2021

Leaf Morphology

During our discussion of plant identification, I mentioned there was a good graphic for leaf morphology.

Here it is:

Posted on 27 de setembro de 2021, 04:21 PM by coyotelabs coyotelabs | 1 comentário | Deixar um comentário

Keying out Ilexes in Florida

During the bioblitz we had some questions about the hollies growing along the river. I had initially suggested they were Yaupon Holly (Ilex vomitoria), but given how thin the leaves were, I believe they are Carolina Holly (Ilex ambigua).

This is an excerpt from "Eat the Weeds" by Green Deane
http://www.eattheweeds.com/hollies-caffein-antioxidants/

(I believe it may be based on Wunderlin, R. P., & Poppleton, J. E. (1977). The Florida species of Ilex (Aquifoliaceae). Florida Scientist, 7-21.)

Keying out Ilexes in Florida

Leaves thin, membranous

Leaves evergreen, entire or rarely denticulate, fruit dull purplish to black, plants of south Florida only ... Ilex krugiana


Leaves deciduous
Leaves pubescent on most of the upper surface, margins serrate
Leaf blades elliptic with a rounded leaf base, 6-9 cm long ... Ilex amelanchier


Leaves smooth on the upper surface, margins crenate to serrate
Leaf blades oblanceolate to ovate, 2-6 cm long, margins crenate ... Ilex decidua

Leaf blades elliptic to ovate, margins serrate to crenate
Leaves with conspicuous veins, flowers and fruit appear singly or in clusters up to 3, in the leaf axils ... Ilex verticillata

Leaves without conspicuous veins, flowers and fruit appear clustered from spur shoots ... Ilex ambigua




Leaves coriaceous, evergreen
Fruit red to yellow
Leaf blade with sharp pointed teeth, these are usually regularly spaced ... Ilex opaca

Leaf blade entire, crenate or serrulate
Leaf blades with a rounded apex ... Ilex vomitoria

Leaf blades with a sharp, pointed apex
Leaf blades 1-4 cm long and usually less than 1.5 cm wide, margins entire, tip sharp pointed ... Ilex myrtifolia

Leaf blades generally longer than 4 cm and wider than 2 cm, may have a few teeth at the tip or with a single sharp point ... Ilex cassine




Fruit black
Leaves crenate, leaves often cupped, 3-5 cm long ... Ilex glabra
Leaves with a few small teeth, leaves somewhat cupped, 4-7 cm long ... em>Ilex coriacea
Posted on 27 de setembro de 2021, 01:19 PM by coyotelabs coyotelabs | 0 comentários | Deixar um comentário

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