Difference between revisions of "Category:VONITRA"

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<small>DONALD R. HODEL</small>
 
<small>DONALD R. HODEL</small>
  
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[[Image:Chrysalidocarpus Burtscherorum.png|thumb|left|320px]]
 
 
[[File:Vonitra.jpeg|thumb|left|320px]]
 
[[File:Vonitra.jpeg|thumb|left|320px]]
  
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basilongus).
 
basilongus).
  
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For an old-timer like me, Chrysalidocarpus and Vonitra bring back memories of my first
 
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introduction to palms 50 years ago as a student at California State Polytechnic University in
 
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Pomona. Then, during a subtropical plant materials class that my late professor and soon-to-be
 
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avid palm friend James L. Degen was conducting, I learned about Chrysalidocarpus lutescens, with
 
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which I was immediately smitten because of its numerous attributes, including clustered habit
 
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with neat, green, ringed stems, arching, bright green, pinnate leaves with attractive golden
 
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yellow petioles and rachises, waxy white crownshaft, and golden fruits. Palm collectors often
 
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overlook these features and scoff at this species now, perhaps because it is so common. Later,
 
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when the name was changed to Dypsis lutescens, some raised their eyebrows and protested but
 
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generally shrugged it off and accepted the name; it was certainly easier to say and spell.
 
 
So now, Eiserhardt et al. (2022) have moved many species out of Dypsis to the resurrected
 
So now, Eiserhardt et al. (2022) have moved many species out of Dypsis to the resurrected
 
Chrysalidocarpus (54 species) and some to Vonitra (10 species). While noting that morphology
 
Chrysalidocarpus (54 species) and some to Vonitra (10 species). While noting that morphology
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morphological characters in their key to distinguish these three genera, many of which overlap
 
morphological characters in their key to distinguish these three genera, many of which overlap
 
or intergrade, pointing out the value of supporting molecular data. The fibrous and hairy leaf
 
or intergrade, pointing out the value of supporting molecular data. The fibrous and hairy leaf
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bases fairly easily distinguish Vonitra; however, distinguishing between Chrysalidocarpus and
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bases fairly easily distinguish Vonitra (..)
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Dypsis is trickier. Generally, Chrysalidocarpus tends to comprise larger palms with larger stems
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and leaves and thicker rachillae while Dypsis includes smaller, understory palms with slender
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stems and smaller leaves and slender rachillae although outliers exist that defy easy classification.  
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<small>Edit by João S. Costa</small>
 
<small>Edit by João S. Costa</small>

Latest revision as of 19:05, 14 February 2023

A New Combination for a Previous Name

DONALD R. HODEL

Vonitra.jpeg

In a just published paper (24 August 2022) based on a monumental molecular analysis of the subtribe Dypsidinae (including until recently the genera Dypsis, Lemurophoenix, Marojejya, and Masoala), which mostly occurs in Madagascar but with a few species in adjacent islands, Eiserhardt et al. (2022) found that the genus Dypsis, comprising 173 species, was untenable as previously understood. Thus, they justifiably divided Dypsis into three genera, in the process resurrecting two of them from synonymy, Chrysalidocarpus and Vonitra, into which they moved many of the former Dypsis species, necessitating numerous name changes sure to raise the ire and hackles of palm collectors, hobbyists, and growers everywhere. Now new names have to be learned and labels, lists, and databases corrected and updated; indeed, in some cases, even the suffix of the species epithets will change (for example Dypsis basilonga to Chrysalidocarpus basilongus).

So now, Eiserhardt et al. (2022) have moved many species out of Dypsis to the resurrected Chrysalidocarpus (54 species) and some to Vonitra (10 species). While noting that morphology alone is inadequate to understand and delineate genera in the Dypsidinae, they relied on morphological characters in their key to distinguish these three genera, many of which overlap or intergrade, pointing out the value of supporting molecular data. The fibrous and hairy leaf bases fairly easily distinguish Vonitra (..)

Edit by João S. Costa

File:Chrysalidocarpus.pdf

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