Pinguicula
from Pachuca
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TAXONOMY:
Family :
Lentibulariaceae
Genus :
Pinguicula
Name :
not yet published
Sub-classification
(Casper)
: link
Publication :
no publication
Synonyms
: This plant can be found under the ambiguous names of : Pinguicula
sp. Pachuca, Pinguicula moranensis 'Pachuca' and under a mislabelled name
: Pinguicula moranensis 'Pachua'.
DESCRIPTION :
-
soon -
ORIGIN AND HISTORY :
No
data. The only known fact is that it is not a Pinguicula moranensis. More
information will be certainly available later.
Map / LOCALISATION :
No
data. According to the name, it is likely that this Pinguicula could come
from the surrounding of the Sierra de Pachuca, from Mexico, state of
Hidalgowhere is situated the National Park of El Chico.
(click
on the map for better location and relief
map)
El
Chico National Park is located on the eastern side of the Sierra de Pachuca
mountains and ranges in altitude from 2,320 meters to a height of 3,090 meters
above sea level. In 1898 it became the first national park decreed a natural
reserve. The park covers an area of 2,739 hectares and is popular with hikers,
mountain bikers and rock-climbers who come to scale its rocky peaks, including
"La Ventana", the highest point in the park, just outside of Mineral
del Chico.
HABITAT:
No data.
TEMPERATURE
and PRECIPITATIONS :
Today,
the weather in Pachuca is :
Click
on the graph to enlarge
and see the graph of normal precipitation and normal average temperatures.
Normal values are 30-year averages for the period 1961 to 1990. The weather
stations are grouped by region (see map of weather
stations).
Introduction in culture
:
I
found this plant in J.J. LABAT's collection (manager of the famous French
Nursery "Nature et Paysage").
CULTURE
AND MULTIPLICATION :
(North
hemisphere, France
near Paris, in a polycarbonate greenhouse - see the map
-)
Life
cycle :
The
life cycle observed in culture for this Pinguicula
consists of two seasons, one wet and the other dry (see link). The plant forms different
leaf rosettes according to the season. During the resting months (winter) the
small succulent rosette is composed of numerous non-carnivorous leaves. The
carnivorous leaves are produced in spring and during all summer. The life
cycle of the plant is probably similar in it's native habitat.
Media
: I use a 100 % mineral media :
2 perlite, 2 vermiculite, 1 small sand (for aquarium), 1 fine white sand, 1
pouzzolane (volcanic lava), 1 aqualit (expansed ceramic for aquarium). The
aqualit can be replaced by 1 of pouzzolane. Plants in this media grow slower
but have a stronger root system.
Pot
: plastic,
colour terracotta, diameter 12.5cm, height 12cm.
Cultivation
:
I
think that a slightly airy situation inside the greenhouse is important
to avoid air stagnation. For this reason, I use a fan 24h/24h all the year
round.
Watering
is very important : from
May to September (summer). I let the media drying slightly between two
watering. I use rain water poured on the top of the pot taking care not to wet
the rosette. From October to April, It is important to let the media
drying completely (no watering) but with an atmospheric humidity of about 80%.
The mentioned months are indicative and can change
according to your own growing conditions. In fact, when this Pinguicula
begins to produce its non-carnivorous leaves, you have to stop watering and
let the pot drying out completely. Inversely, when the plant begins to produce
in early spring its carnivorous leaves, you have to progressively start
watering again the pot.
Temperatures : during
growth period, day temperatures are about 25°C but may reach 35°C when the
sun is shining on the greenhouse in spite of the use of shading covers. Night
temperatures are around 20°C. During
resting period : day/night over freezing point. Lower temperature
observed : - 4°C. I use an electronic petroleum heater to provide heat.
Flowering
period :
Multiplication
:
I have succeeded once up to now in pollinating the flowers of this Pinguicula.
The plants can be propagated easily using non-carnivorous leaves separated
from the rosette at the end of winter. You only have to carefully tear out the
totality of the leaf particularly with it's white base as the new plantlets
will sprout from this area. Don't try with the summer leaves, it is harder.
PICTURES: (click to enlarge)
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