Vegetative key and description of tree species of Santa Rosa

Page 17

140.

Leaf margin entire............................................................................................................141 Leaf margin serrated.....................................................................................Lantana trifolia

141.

Crushed leaves smell like tomato leaves or tar, stem branchings normal...Solanum hazenii Leaves with no distinctive smell; swollen, hollow stem branchings..……Cordia alliodora

142.

Petiole or young stems exudes a milky white latex................................……….......…..143 Leaves lacking white latex...................................................................………………....145

143.

Large leaves, usually 20 cm in length or longer........................................……...……...144 Leaves less than 20 cm in length (young branches have distinctive "candelabra" branching) ........................................……………......................................Manilkara chicle

144.

Young stems swollen (succulent appearance) with blunt apex...….............Plumeria rubra Young stems not swollen, without a blunt apex............................……….....Thevetia ovata

145.

Leaves > 3 cm in length...........................................................................……………....146 Leaves < 3 cm in length (round leaves with entire margin; secondary venation is obscure) ................................……………………...................................Erythroxylon rotundifolium

146.

Leaf margins are entire..........................………………..................................................147 Leaf margins are serrated (oval shaped and often rolled upwards; can smell like rancid tuna fish when crushed; note that juvenile plants have compound-odd leaves). ………………………...............................................................................Roupala montana

147.

Bark on branches and the trunk is not orange and white striped............…….................148 Bark on branches and the trunk is orange and white striped (peels in strips) ……………………..............................................................Calycophyllum candidissimum

148.

When held up to bright light, leaf margins have a distinctive fringe of hair (adults have smooth purple to gray bark that peels in pocks)...………………..Guettarda macrosperma Leaf margins do not have a fringe of hair..................................…………………..........149

149.

Leaves usually greater than 20 cm in length................................……....Genipa americana Leaves less than 20 cm in length..........................................................………………...150

150.

Prominent triangular stipules (approximately 5 mm in length) present at the bases of leaves (check younger stems)................................................…………......Ixora floribunda No prominent stipules.....................................................................…………………….151

151.

Elliptical leaves, usually up to 20 cm in length (leaf upper surface dark green and glabrous).....……………………….............................................................Ardisia revoluta Leaves tending toward obovate to round (although may be elliptical), usually less than 20 cm in length........................................………………………….................................152

152.

Leaves somewhat thick (almost succulent), leaf venation is faint..Agonandra macrocarpa Leaves not obviously thick, leaf venation is prominent................……..........Adelia triloba 17


Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.