Log In
New Account
Sitemap
Home
Fauna Database
Search Collections
Map Search
Image Search
Browse Images
Inventories
Sky Island Provinces
MABA Inventory Sites
Interactive Tools
Dynamic Checklist
Dynamic Key
Ageratina lemmonii
(B.L. Robins.) King & H.E. Robins.
Family:
Asteraceae
Lemmon's Snakeroot
[
Eupatorium lemmonii
B.L. Robins.]
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 21)
Perennials,
20-40(-70) cm (densely fibrous-rooted crowns).
Stems
(commonly purple) erect, puberulous (hairs usually with colored crosswalls).
Leaves
opposite; petioles usually 0, sometimes 1-2 mm; blades ovate-lanceolate, 2-4.5 × 0.5-2.5 cm, margins shallowly serrate, abaxial faces glabrous or glabrate, gland-dotted.
Heads
in loose, open arrays.
Peduncles
10-60 mm, puberulent.
Involucres
4-5.5 mm.
Phyllaries:
(narrowly oblong-lanceolate) apices acute, abaxial faces sparsely hairy to glabrate.
Corollas
white, lobes densely hispid-villous.
Cypselae
sparsely and finely hispidulous.
2
n
= 34.
Flowering Aug-Oct. Rocky slopes, mostly in pine-oak woodlands; 1800-2800[-3300, Mexico] m; Ariz.; Mexico.
Open Interactive Map
Click to Display
25 Total Images