Search Results - "Cabrera R, Leticia"

Ecological relationship between floral thermogenesis and pollination in Nelumbo lutea (Nelumbonaceae) by Dieringer, Gregg, Leticia Cabrera, R, Mottaleb, Mohammad

“…• Premise of study: Floral thermogenesis is an unusual floral trait with a well-documented physiological process, and yet, there is limited understanding of…”
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Pollination and Reproductive Biology in a Hill Prairie Population of Nothocalais cuspidata (Asteraceae: Cichorieae) by Dieringer, Gregg, Cabrera R, Leticia

“…Nothocalais cuspidata (Pursh) Greene (Asteraceae) is a plant species of conservation concern in Missouri; it typically occurs as isolated populations in hill…”
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The interaction between pollinator size and the bristle staminode of Penstemon digitalis (Scrophulariaceae) by Dieringer, Gregg, Cabrera R, Leticia

“…Penstemon digitalis, a prairie species whose flowers possess a large bristle staminode, is visited by eight bee species of varying size. Two sets of field…”
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Beetle pollination and floral thermogenicity in Magnolia tamaulipana (Magnoliaceae) by Dieringer, G, Cabrera R, L, Lara, M, Loya, L, Reyes-Castillo, P

“…The pollination biology involving floral thermogenicity of Magnolia tamaulipana was conducted at the El Cielo Reserve in Tamaulipas, Mexico, during May 1996…”
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Pollen Structure of Acourtia (Asteraceae): New Findings and Some Taxonomic Considerations by R., Leticia Cabrera, Dieringer, Gregg

“…The exine stratification of the pollen grains in Acourtia species was studied using scanning electron microscopy (SEM). Our results indicate that two patterns…”
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Contrasting floral insect visitors to sympatric populations of Arisaema triphyllum and A. dracontium (Araceae) in northwest Missouri by Dieringer, Gregg, Cabrera R., Leticia

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Cypsela Development in Acourtia (Mutisieae, Nassauviinae, Asteraceae) and Its Taxonomic Implications by Cabrera R., Leticia

“…In the search for taxonomic characters to infer the phylogeny of Acourtia, cypsella development was studied for two species, caulescent Acourtia mexicana and…”
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Reproductive biology of a population of Acourtia runcinata (Asteraceae: Mutisieae) at the northeastern limit of its range by Leticia Cabrera R., Dieringer, Gregg

“…Acourtia runcinata is a member of the tribe Mutisieae: subtribe Nassauviinae (Asteraceae). Breeding system studies showed the population to be primarily…”
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Six new species ofAcourtia (Asteraceae) and a historical account ofAcourtia mexicana by Leticia, Cabrera R

“…Six Mexican species ofAcourtia are described. One of these novelties seems to be related toAcourtia mexicana (Lag. ex D. Don) H. Rob., whose nomenclature has…”
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Six New Species of Acourtia (Asteraceae) and a Historical Account of Acourtia mexicana by Leticia Cabrera R.

“…Six Mexican species of Acourtia are described. One of these novelties seems to be related to Acourtia mexicana (Lag. ex D. Don) H. Rob., whose nomenclature has…”
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Sexual selection of anther trichomes and sexual dimorphism in Ibervillea lindheimeri (Cucurbitaceae: Melothrieae) by Dieringer, G, Cabrera R, L

“…Ibervillea lindheimeri is a dioecious member of the Cucurbitaceae whose male flowers possess a number of sex-specific characteristics including eglandular…”
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Cypsela Development inAcourtia(Mutisieae, Nassauviinae, Asteraceae) and Its Taxonomic Implications by Cabrera R., Leticia

“…In the search for taxonomic characters to infer the phylogeny ofAcourtia, cypsella development was studied for two species, caulescentAcourtia mexicanaand…”
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Pollen Structure ofAcourtia(Asteraceae): New Findings and Some Taxonomic Considerations by R., Leticia Cabrera, Dieringer, Gregg

“…The exine stratification of the pollen grains inAcourtiaspecies was studied using scanning electron microscopy (SEM). Our results indicate that two patterns of…”
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Beetle Pollination and Floral Thermogenicity inMagnolia Tamaulipana(Magnoliaceae) by Dieringer, Gregg, Cabrera R., Leticia, Lara, Manuel, Loya, Larisa, Reyes‐Castillo, Pedro

“…The pollination biology involving floral thermogenicity ofMagnolia tamaulipanawas conducted at the El Cielo Reserve in Tamaulipas, Mexico, during May 1996. Our…”
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Five additions to the genus Acourtia (Asteraceae: Mutisieae) by Leticia Cabrera R.

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A NEW SPECIES OF CHAPTALIA (ASTERACEAE: MUTISEAE) FROM MEXICO AND REDISCOVERY OF CHAPTALIA MEXICANA by Cabrera R., Leticia, Nesom, Guy L.

“…A new species, Chaptalia hidalgoensis L. Cabrera & Nesom, is described and illustrated. It is known only from the type collection made in Mun. Zimapan,…”
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A new species of Acourtia (Asteraceae-Mutisieae) from southern Mexico by Cabrera R, L. (University of Texas at Austin, Austin, TX)

“…Acourtia ovatifolia, a new species from Guerrero and Oaxaca, México, is described and illustrated. This species is similar in some characters to A. lozanii. Se…”
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A new species of Acourtia (Asteraceae-Mutisieae) from Chihuahua, Mexico by Cabrera R, L. (University of Texas at Austin, Austin, TX)

“…Recent collections from the state of Chihuahua, México, reveal a new species, Acourtia dieringeri, which coexists with A. thurberi and is similar to it in some…”
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