sections of the genus Jaltomata

revised September 2017 
The information on this page may be cited as a communication with
professor Thomas Mione, Central Connecticut State University, Biology Department, Copernicus Hall,
1615 Stanley Street, New Britain, CT 06050-4010 USA, and
Segundo Leiva G., Universidad Privada Antenor Orrego, Av. América Sur 3145, Casilla postal 1075, Trujillo, Peru

Arnaldoa 17(2): 163-171. 2010

Mione (1992, pages 80 and 100) described sections Jaltomata and Hebecladus.

 

section Jaltomata section Hebecladus
section Modillonia
plant habit
mostly herbaceous
mostly woody
herbaceous
trichomes
simple
simple and dendritic
number of flowers per inflorescence
variable, always more than one
variable
1
corona
no
no
yes
corolla shape
rotate
rotate, broadly infundibular, campanulate, tubular, urceolate and the limb revolute: the full range of corolla shapes of the genus can be seen among the species of this section
crateriform
corolla purple ring
no
some species yes (for example J. mionei, J. lanata), some species no
no
number of corolla lobes plus lobules
lobes 5,
lobules 0 or 5 depending on the species
lobes 5,
lobules 0 or 5 depending on the species
lobes 5, lobules 0
radial thickenings
no
some species yes, others no
no
nectar
clear and produced in small volume
either clear and produced in small volume, or red / orange and copious
red / orange and copious
filament insertion
into lower ventral face
stigma
capitate
capitate
punctiform
fruit color, size
purple/black, small compared to section Modillonia
orange or red, size varies among species
two of the three species have whitish fruits, the third has been reported to have both white fruits and orange fruits; large
representative species
Link to table of species of this section
Geography
Arizona, USA to Bolivia
South America,
Galápagos Islands, Greater Antilles
Peru
corolla closing for the night?
yes
some species yes, some species no
no*

A table comparing the species of section Modillonia can be seen on the web page of J. quipuscoae.

* To date, two of the three species have been studied and the corolla does not close for the night.

Literature Cited