Results 181 to 190 of about 2,611 (215)

The Convergent Evolution of Hummingbird Pollination Results in Repeated Floral Scent Loss Through Gene Downregulation. [PDF]

Mol Biol Evol
Darragh K, Kay KM, Ramírez SR.
europepmc   +1 more source

A Palynological Atlas of the Amazon <i>canga</i> Vegetation. [PDF]

Plants (Basel)
Romeiro LA, da Silva EF, Reis LS, Carreira LMM, Rodrigues TM, da Silva DF, Giannini TC, Gastauer M, E Souza-Filho PWM, Tyski L, Guimarães JTF.   +10 more
europepmc   +1 more source

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Two new biologically active steroids from Costus lucanusianus (Costaceae)

Steroids, 2021
A phytochemical investigation of the leaf extract of Costus lucanusianus J. Braun & K. Schum (Family Costaceae) a tropical African medicinal plant known for curing several infectious diseases such as venereal disease, cough and urinary tract infection led to the isolation of two new steroids.
A. O. Onanuga, Ganiyat Kehinde Oloyede
semanticscholar   +5 more sources

Taxonomic studies on Parahellenia (Costaceae) in Vietnam: a new species, P. trongduyii, and a new combination, P. candida

Phytotaxa, 2023
Parahellenia trongduyii, a new species of Costaceae from Vietnam, is described and illustrated. The new species is similar to P. tonkinensis, but differs in unbranched or barely branched stems, narrowly triangular-lanceolate glabrous buds, bract apex ...
Juan Chen, V. Nguyen, V. Nguyen, K. Nguyen, Maxim S. Nuraliev, Nia-He Xia   +5 more
semanticscholar   +1 more source

Ecological and Evolutionary Origin of Costus flammulus (Costaceae): A New Species from the Montane Cloud Forests of the Volcanic Cordilleras in Northern Costa Rica

Systematic Botany, 2023
Costus flammulus is a new herbaceous species endemic to montane cloud forests of the volcanic cordilleras in northern Costa Rica. Costus flammulus has been mistaken for C. wilsonii, but phylogenetic evidence demonstrates that it is closely related to the
P. Juárez, Oscar M. Vargas, Kathleen M. Kay   +2 more
semanticscholar   +1 more source

Taxonomic studies on the Chinese Costaceae I: a new name and two new combinations

Phytotaxa, 2021
Costus chinensis and C. oblongus (Costaceae) has been previously placed in synonymy under C. lacerus. Our critical examination of herbarium specimens including type material demonstrates that they are morphologically distinct from each other.
Juan Chen, Lin-Ya Zeng, Sijin Zeng, Yun‐Hong Tan, N. Xia   +4 more
semanticscholar   +1 more source

ANALISIS FILOGENETIK FAMILI ZINGIBERACEAE & COSTACEAE BERDASARKAN PENANDA MATK DAN GEN PARSIAL

Jurnal Biogenerasi
This study analyzes the phylogenetic relationship between the Zingiberaceae and Costaceae families based on partial maturase K (matK) gene sequences and examines their common ancestry.
Topik Hidayat, Teressa Novita Evelyn, Nadya Rahma Widyanti, Nadia Nurul Fadhilah, Muhammad Zainal arifin   +4 more
semanticscholar   +1 more source

A revision of Neotropical Costaceae: sixty years of taxonomic struggle

Blumea - Journal of plant taxonomy and plant geography
Here we present a taxonomic revision of all neotropical Costaceae represented by 91 species, distributed in four monophyletic genera, Chamaecostus (9 spp.), Costus (76 spp.), Dimerocostus (5 spp.), and Monocostus (1 sp.). The work resulted in
P.J.M. Maas, H. Maas-van de Kamer, T. André, D. Skinner, E. Valderrama, C. D. Specht   +5 more
semanticscholar   +1 more source

Costaceae Nakai, J. Jap. Bot.

2011
Published as part of Reveal, James L., Chase, Mark W., Iii, - Apg & Iii, Apg, 2011, APG III: Bibliographical Information and Synonymy of Magnoliidae Abstract Kew words Introduction, pp.
Reveal, James L., Chase, Mark W., Iii, - Apg, Iii, Apg   +3 more
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Costus maasiorum: a new species of Neotropical Costaceae from western Ecuador

Blumea - Journal of plant taxonomy and plant geography
We here describe Costus maasiorum , a new species from western Ecuador. This new species shares morphological similarities with Costus macrostrobilus , but differs in having plicate leaves, erect and triangular bract appendages, and semi-tubular ...
D. Skinner, E. Valderrama, J. L. Clark, J.B. Landis, J. J. Harden, C. D. Specht   +5 more
semanticscholar   +1 more source