the anthurium flora of carchí province, ecuador · anthurium collection from carchi belolonchium...
TRANSCRIPT
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The Anthurium flora of Carchí
Province, Ecuador Nathan P. Hartley
Dr. Thomas B. Croat, P. A. Schulze Curator of Botany
Missouri Botanical Garden
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Objective
• To identify and describe as many
Anthurium species from Carchí
Province (NW Ecuador) as possible in
10 weeks.
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Tom Croat
• Life-long affiliation with plants
• 48 years at MBG
• 2,000 new species
• 104,647 plant collections
• 1 of 4 people to collect over 100,000 plant
specimens
• Cultivator of the world’s largest aroid collection
• >200 publications
• Countless adventures and mishaps all over the
globe in 65 countries
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P.F. Stevens 2012
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P.F. Stevens 2012
Alismatales
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Araceae
• 117 genera, ~ 4,095 ssp. (est. ~ 5,422
and counting)
• Symplesiomorphic monocots
– Reticulate venation
– Sympodial growth habit
– 2-3 merous flowers densely spiraled
around a central stalk (spadix)
– Conspicuous inflorescence bract
(spathe)
– Berries
S.M. Yocom 2013
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Cusimano et al. 2011
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Anthurium Schott • Largest genus in Araceae
• 905 published species
• ~1,300 described species
• Central and South America
• Highly endemic
• At the Sectional level
A. polyschistum R.E.Schult.& Idrobo © Wendy Aubrey 2007
A. peltigerum Sodiro A. bogotense Schott
© Equatorial Exotics 2013
A. bakeri Hook.f.
© e*species Tropical Seeds
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Páramo del Ángel
Espeletia sp.
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Genèvieve Ferry
Tom Croat Claudia
Henríquez Elisa
Levy David
Scherberich
2012 Colombia-Ecuador Expedition Crew
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How do you identify a new species?
• Group specimens based on section, gestalt,
and conservative characters
• Confirm tentative groupings with expert
• Character analysis in Lucid Anthurium key
• Compare specimen with most similar species
• Distinguish differences between specimens
• Morphometric analysis of novel specimen(s)
• Begin describing!
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Grouping, I.D.ing, Comparing & Analyzing
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A Closer Look at the Lucid Anthurium Key….
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Describing a New Species
• Type information
• Description
• Life zone(s)
• Discussion
• Ex siccatae
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Review, Processing & Filing
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Distribution of Described Species
El Chical
Lita
N
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Breakdown by section
Sectional porportioning of MOBOT's
Anthurium collection from Carchi
Belolonchium
Calomystrium
Cardiolonchium
Decurrentia
Digitinervium
Multinervium
Polyneurium
Porphyrochitonium
Tetraspermium
Xialophyllium
•4 sections account for 70% of
species
•10 out of 18 sections represented
•Decurrentia is the most depauperate
•Cardiolonchium is the most species
rich (by 1 taxa)
16%
19%
19%
16%
2% 3% 1%
10%
4% 10%
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Belolonchium
• Short internodes
• Cataphylls persisting as a
network of fibers
• Spathe hooding with a
pendent spadix
• Concave lateral margins
• Granular or wing-ribbed
major veins
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A. granulinervium Croat sp. nov.
• Granular-puberulent major veins
• Sulcate and distinctly ribbed petiole
• Broadly concave anterior lobe
1 mm
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Newly described Belolonchiums
• A. aspericostum Croat
• A. chilmabajense Croat
• A. erubescataphyllum Croat
• A. flabellatum Croat
• A. hippocrepiformum Croat
• A. latesinuatum Croat
• A. montufarense Croat
• A. pleipleurum Croat
• A. rawlinsii Croat
• A. teretiusculum Croat
• A. tufiñoense Croat
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Calomystrium
• Cataphylls persisting completely intact
• Blades often dark-punctate and short pale-
lineate
• Petioles usually terete
• Spadix and spathe usually
colorful
•
odorous inflorescence
Anthurium andreanum Linden
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Newly described Calomystriums
• A. gualpimedense Croat
• A. hartleyi Croat
• A. longipedical Croat
• A. rotunditriangulum Croat
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Newly described Cardiolonchiums
• A. atrinspergendum Croat
• A. granulatepalum Croat
• A. inopinatum Croat
• A. tertiprominens Croat
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Newly described Porphyrochitonium
A. penasense Croat
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Identified Species
• A. cymbispathum Sodiro (Belol.)
• A. dolichostachyum Sodiro (Cardio.)
• A. giganteum Engl. (Belol.)
• A. pluviaticum R.E. Shultes (Cardio)
• A. teisheri Croat (Belol.)
• A. trishafrankiae Croat
(Cardio.)
• A. versicolor Sodiro
(Cardio.)
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Estimates of Progress
Section
# of
described
species
# of
identified
species
% of
section
completed
Belolonchium 11 3 43.75
Calomystrium 4 1 13.16
Cardiolonchium 3 3 15.38
Decurentia 0 0 0
Digitinervium 0 0 0
Multinervium 0 0 0
Polyneurium 0 0 0
Porphyrochitonium 1 1 9.52
Tetraspermium 0 1 11.11
Xialophyllium 0 0 0
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Future Directions
• 2013 expedition
• Publish new taxa
• Araceae flora of Carchí
13%
87%
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Thank you!
• Dr. David Bogler
• Dr. Tom Croat
• Justin Zweck
• National Science Foundation
• Missouri Botanical Garden
• Steve Aylward
• Carla Kostelac
• The Croat Lab Volunteers
• Ron Liesner
• Peter Stevens
• Steve Wolff
• 2013 MBG REU Cohort
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¿Questions?