Ardisia kalimbahin (Primulaceae, Myrsinoideae), a new species from the Philippines

Phytotaxa ◽  
2021 ◽  
Vol 525 (4) ◽  
pp. 295-300
Author(s):  
LIEZEL M. MAGTOTO ◽  
MAVERICK N. TAMAYO ◽  
LEONARDO C. UDASCO, JR. ◽  
RENE ALFRED ANTON BUSTAMANTE

Ardisia kalimbahin is herein described and illustrated as a new species. It is the latest addition to the richness of Ardisia in the Philippines. It closely resembles A. romanii Elmer but is distinct in having shorter petiole, shorter elliptic leaves, racemose inflorescence, longer and sparsely puberulent pedicels, magenta corolla lobes, basifixed anthers, shorter filaments, and a beaked stigma. Based on current collection and available herbarium specimens, Ardisia kalimbahin is distributed in the islands of Palawan (Aborlan), Mindoro, and Luzon (Carranglan). Available data is not enough to assess its conservation status; hence, it is proposed as data deficient (DD).

Phytotaxa ◽  
2020 ◽  
Vol 437 (2) ◽  
pp. 113-117
Author(s):  
HAO WEI C. HSU ◽  
DENMARC R. ARANAS ◽  
GRECEBIO JONATHAN D. ALEJANDRO ◽  
SIGRID LIEDE-SCHUMANN

Argostemma separatum, a new species with free stamens in star-shaped corolla from Mt. Halcon Oriental Mindoro, Philippines is here described and compared with Argostemma diversifolium, the only species of the genus with this type of flower. This species is distinct from A. diversifolium by its indumentum on stem, leaf blades and calyx, smaller leaf blades, fewer flowered inflorescences, shape of stipule and calyx, red tips on corolla lobes, and color of anthers. Based on the recent IUCN categories, the conservation status of A. separatum is Data Deficient (DD) since it was only collected at the type locality.


Author(s):  
Leccinum Jesús García Morales ◽  
Rodrigo Homero González González ◽  
Jesús García Jiménez ◽  
Duilio Iamonico

Background and Aims: Cochemiea is a genus which currently comprises five species occurring in Mexico. It is morphologically characterized by cylindrical decumbent to prostrate stems and by a long red-scarlet zygomorphic perianth, presumably specialized for hummingbird pollination. As part ofthe ongoing taxonomic studies on the North Mexican flora, a population discovered by Thomas Linzen in 2012 in central Sinaloa (Mexico), previously identified as Mammillaria sp., actually refers to a Cochemiea species and cannot be ascribed to any of the known species of that genus. As a consequence,we here propose to describe this population as a a new species for science.Methods: The work is based on field surveys (autumn 2018 and spring 2019) in central Sinaloa, examination of herbarium specimens, and analysis of relevant literature. Its conservation status was assessed following the guidelines of the IUCN; AOO and EOO were calculated with the programGeoCAT.Key results: Cochemiea thomasii is described and illustrated from Sinaloa. The new species is morphologically similar to C. halei from which it differs by the hanging stems, the larger conical tubercles, less numerous and shorter central spines, and the ovoid fruits. A diagnostic key of the knownCochemiea species is included.Conclusions: Cochemiea thomasii is endemic to the state of Sinaloa where it occupies a small area. On the basis of the criteria B2a (geographic range) and C (small population) of IUCN, the new species can be assessed as Critically Endangered (CR) or Vulnerable (VU). Adopting the precautionary approach, Cochemiea thomasii is considered as Critically Endangered (CR).


2021 ◽  
Vol 154 (2) ◽  
pp. 296-306
Author(s):  
Olivier Lachenaud ◽  
Fabiana Firetti ◽  
Lúcia G. Lohmann

Background and aims – The genus Anemopaegma (Bignoniaceae) includes around 47 species and has its centre of diversity in Brazil. Here, we describe and illustrate a new species from French Guiana, Anemopaegma kawense, and compare it to the two most similar species, A. foetidum and A. granvillei. We further assess the conservation status of all three species.Material and methods – Morphological descriptions are based on herbarium specimens deposited at BM, BR, CAY, INPA, K, MO, P, SPF, and U, and, in the case of the newly described species, also on field observations. The conservation status assessments follow the IUCN Red List criteria.Key results – Anemopaegma kawense differs from both A. foetidum and A. granvillei by its densely villose twigs, longitudinally plicate leaflets with secondary veins not or hardly prominent below, and tertiary veins impressed below. It is further separated from A. foetidum by the leaflets that are villose below and the calyx that is entirely pubescent outside. On the other hand, A. kawense differs from A. granvillei by the densely lepidote outer surface of the corolla, shorter petiolules, leaflets with midrib impressed above, shorter bracts and bracteoles, inflorescence peduncle exceeding the rachis, and pedicels densely puberulous, not lepidote or only sparsely so at the apex. This species is endemic to the Kaw Mountain in north-eastern French Guiana, where it grows in low stunted forest on laterite; it is assessed as Endangered according to the IUCN criteria. New descriptions are provided for A. granvillei, which is newly reported from Suriname, and for A. foetidum, which is newly reported from French Guiana; these two species are assessed as Endangered and Least Concern, respectively. Lectotypes are designated for A. maguirei, which is here synonymised with A. foetidum, and for A. umbellatum, another synonym of that species. A key to the 12 species of Anemopaegma occurring in the Guianas is presented.


Phytotaxa ◽  
2020 ◽  
Vol 429 (2) ◽  
pp. 120-134
Author(s):  
JIRO T. ADORADOR ◽  
ZHEREELEEN D. MENESES ◽  
EDWINO S. FERNANDO

We describe a new species of Pinanga, P. gruezoi, from the islands of Samar, Bucas Grande, Dinagat, and (northeastern) Mindanao, Philippines. It is a diminutive slender clustering palm with pluricostulate coriaceous leaflets, rather few, short and arching to reflexed rachillae, which bear relatively large distichously arranged and closely-set ovoid-ellipsoidal fruits. Additionally, we rediscovered P. samarana, hitherto known from type material that was first collected more than a century ago, and provided an amended description based on recent collections and field observations. Discussions on their morphology, habitat, distribution, ecology, conservation status, and comparisons with putatively closest congeners are included. Furthermore, we herein provided a tentative key for the functional groups of Philippine Pinanga and for the two species described.


Phytotaxa ◽  
2013 ◽  
Vol 149 (1) ◽  
pp. 27 ◽  
Author(s):  
Axel Havana Arriola ◽  
Grecebio Jonathan Alejandro

Psydrax puberula, a new species from the Philippines is here described and illustrated. It can easily be distinguished from the currently recognized Malesian Psydrax with its puberulent compound umbellate inflorescences with 14–25 flowers as well as a puberulent fruit stalk and fruit. P. puberula is the second species of Psydrax in the Philippines. 


Phytotaxa ◽  
2020 ◽  
Vol 474 (3) ◽  
pp. 235-249
Author(s):  
CAI-FEI ZHANG ◽  
SHENG-LONG LIU ◽  
LIANG-QIAN LI

Pertya ferruginea Cai F. Zhang, a new species of the genus Pertya (Asteraceae: Pertyeae) from southeastern China, is described and illustrated with a revision of P. cordifolia and P. pubescens. Specimens of the new species had been usually mis-identified as the latter two species because of unclear boundaries among most known species of the genus in southeastern China. Based on extensive field collections and much more herbarium specimens examined than previous studies, P. cordifolia and P. pubescens are revised with much narrower circumscriptions. Although very similar to P. pubescens, the new species differs in the indumentum, length of involucre, number of series of involucral bracts and corolla size. Conservation status of the new species and previous misidentifications relevant to the three species are briefly discussed.


Phytotaxa ◽  
2020 ◽  
Vol 468 (2) ◽  
pp. 221-225
Author(s):  
ABDULWAKEEL AYOKUN-NUN AJAO ◽  
THULISILE PRECIOUS JACA ◽  
ANNAH NTSAMAEENG MOTEETEE

During the examination of the rich collections of the genus, Rhynchosia housed in some South African herbaria (BNRH, NH, PRE), a new and yet to be described species was discovered. The species is similar to R. pauciflora in its erect habit, linear or oblong leaflets, and solitary flowers. The study is based on the examination of herbarium specimens. Measurements were taken from vegetative and reproductive parts. We describe here R. ngwenyii. The new species differs from R. pauciflora by its broader (24–38 mm), linear-lanceolate to oblong-lanceolate terminal leaflets that are without conspicuous revolute margins, wing petals that lack sculpturing and shorter peduncles, (25)30–42 mm. It is distributed in KwaZulu-Natal and Mpumalanga Provinces in South Africa. The preliminary conservation status is evaluated as Endangered. A detailed description, illustration, distribution map, and the information on ecology, as well as phenology are also presented.


Phytotaxa ◽  
2020 ◽  
Vol 471 (2) ◽  
pp. 139-144
Author(s):  
JIAN-RONG YOU ◽  
JUAN RAN ◽  
CHENG LIU ◽  
YU-MIN SHUI ◽  
JIA-XIANG LI ◽  
...  

Mitreola crystallina was proposed in 2006, but not valid. Here, we validate the name by giving a complete description, diagnosis, and illustration as a new species of Loganiaceae. Morphologically, it is most similar to M. pedicellata, but can be distinguished by its stems erect (vs. creeping), corolla lobes blue (vs. white), and stamens inserted at or near base of the corolla tube (vs. middle to nearly mouth of corolla tube). It is endemic to the shady cliffs of limestone forests of Malipo County, southwest China. The conservation status was assessed as data deficient (DD) according to the IUCN Red List categories and criteria. And a key to species of Mitreola in China is provided.


Phytotaxa ◽  
2015 ◽  
Vol 206 (1) ◽  
pp. 43 ◽  
Author(s):  
Axel Havana Arriola ◽  
Grecebio Jonathan Alejandro

Discospermum philippinensis, a new endemic species from the Philippines, is here described and illustrated. The species is similar to D. whitfordii because of a persistent calyx and a prominent disk below the fruit apex, from which it can be distinguished by leaf blades 5.5–15.5 × 3.5–6.5 cm, acute to attenuate leaf apex (vs. 4.5–10.0 × 2.0–4.5, caudate in D. whitfordii), fruits faintly ribbed, smaller with thin mesocarp (vs. non-ribbed, with a thick mesocarp), and 4–6 seeds per locule (vs. 5–12).


Phytotaxa ◽  
2015 ◽  
Vol 203 (3) ◽  
pp. 263
Author(s):  
Bonaventure Sonké ◽  
Ehoarn Bidault ◽  
Vincent Droissart

Based on a careful examination of more than 700 herbarium specimens and field investigation, a comprehensive revision of the genus Massularia is given. Massularia stevartiana, a new species from Central African Republic, Cameroon and Gabon is described and illustrated. The novelty is distinguished from M. acuminata, the only other species previously recognized in the genus, by its smaller leaves and flowers. For the two species recognized we provide a morphological description, distribution, habitat, phenology and IUCN conservation status assessment. Distribution maps and a dichotomous key are also provided.Based on a careful examination of more than 700 herbarium specimens and field investigation, a comprehensive revision of the genus Massularia is given. Massularia stevartiana, a new Rubiaceae species from Central African Republic, Cameroon and Gabon is described and illustrated. The novelty is distinguished from M. acuminata, the only other species recognized within the genus, by its smaller leaves and flowers. Another typical character for M. stevartiana is its leaves always cunate. For the two recognized taxa we provide a morphological description, distribution, habitat, phenology and IUCN conservation status assessment. Distribution maps and a taxonomic key are also provided.


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