Arachnothryx

Arachnothryx is a genus of flowering plants in the family Rubiaceae. It contains about 107 species. It is found from Mexico to Peru and in Trinidad.^[1]

Arachnothryx
Arachnothryx buddleioides
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Subfamily:	Cinchonoideae
Tribe:	Guettardeae
Genus:	Arachnothryx Planch.
Type species
Arachnothryx leucophylla (Kunth) Planch.
Synonyms
Cuatrecasasiodendron Steyerm. Javorkaea Borhidi & Jarai-Koml. Otocalyx Brandegee Renistipula Borhidi Siphonandra Turcz.

Taxonomy

Arachnothryx was named by Jules Émile Planchon in 1849.^[2][3] This generic name is derived from Ancient Greek: arachne or arachnos, "a spider", and thrix or trichos, "hair".^[4]

As currently circumscribed, Arachnothryx is paraphyletic over Cuatrecasasiodendron, Gonzalagunia, and Javorkaea. Some authors have included these genera in a broadly defined Rondeletia, but molecular phylogenetic studies have shown that they are more closely related to Guettarda than to Rondeletia.^[5]

Species

• Arachnothryx aspera (Standl.) Borhidi
• Arachnothryx atravesadensis (Lorence) Borhidi
• Arachnothryx bertieroides (Standl.) Borhidi
• Arachnothryx brachytyrsa Borhidi
• Arachnothryx brenesii (Standl.) Borhidi
• Arachnothryx buddleioides (Benth.) Planch.
• Arachnothryx calycophylla Steyerm.
• Arachnothryx calycosa (Donn.Sm.) Borhidi
• Arachnothryx capitellata (Hemsl.) Borhidi
• Arachnothryx caucana (Standl. ex Steyerm.) Steyerm.
• Arachnothryx chaconii (Lorence) Borhidi
• Arachnothryx chiapensis (Brandegee) Borhidi
• Arachnothryx chimalaparum Lorence ex Borhidi
• Arachnothryx chimboracensis (Standl.) Steyerm.
• Arachnothryx chiriquiana (Lorence) Borhidi
• Arachnothryx colombiana (Rusby) Steyerm.
• Arachnothryx costanensis Steyerm.
• Arachnothryx costaricensis (Standl.) Borhidi
• Arachnothryx cupreiflora (K.Schum. & K.Krause) Steyerm.
• Arachnothryx darienensis (Standl.) Borhidi
• Arachnothryx discolor (Kunth) Planch.
• Arachnothryx dwyeri (Lorence) Borhidi
• Arachnothryx educta (Standl. ex Steyerm.) Steyerm.
• Arachnothryx euryphylla (Standl.) Steyerm.
• Arachnothryx evansii (Lorence) Borhidi
• Arachnothryx flocculosa Borhidi
• Arachnothryx fosbergii Steyerm.
• Arachnothryx galeottii (Standl.) Borhidi
• Arachnothryx garciae Standl. ex Steyerm.
• Arachnothryx ginetteae (Lorence) Borhidi
• Arachnothryx glabrata (Standl.) Steyerm.
• Arachnothryx gonzaleoides (Standl.) Borhidi
• Arachnothryx gracilis (Hemsl.) Borhidi
• Arachnothryx gracilispica (Standl.) Borhidi
• Arachnothryx guerrerensis (Lorence) Borhidi
• Arachnothryx guettardioides Standl. ex Steyerm.
• Arachnothryx heteranthera (Brandegee) Borhidi
• Arachnothryx hispidula Griseb.
• Arachnothryx hondurensis (Donn.Sm.) Lorence
• Arachnothryx izabalensis (Standl. & Steyerm.) Borhidi
• Arachnothryx jurgensenii (Hemsl.) Borhidi
• Arachnothryx laniflora (Benth.) Planch.
• Arachnothryx latiloba Borhidi
• Arachnothryx leucophylla (Kunth) Planch.
• Arachnothryx lineolata Borhidi
• Arachnothryx linguiformis (Hemsl.) Borhidi
• Arachnothryx linguiloba Borhidi & Diego
• Arachnothryx lojensis Steyerm.
• Arachnothryx macrocalyx (Standl. & Steyerm.) Borhidi
• Arachnothryx manantlanensis (Lorence) Borhidi
• Arachnothryx megalantha (Lorence) Lorence
• Arachnothryx mexicana (Turcz.) Borhidi
• Arachnothryx michoacana Borhidi
• Arachnothryx monteverdensis (Lorence) Borhidi
• Arachnothryx monticola Borhidi
• Arachnothryx myriantha (Standl. & Steyerm.) Borhidi
• Arachnothryx nebulosa (Standl.) Borhidi
• Arachnothryx nelsonii Lorence
• Arachnothryx nitida (Hemsl.) Borhidi
• Arachnothryx ovandensis (Lundell) Borhidi
• Arachnothryx ovata (Rusby) Steyerm.
• Arachnothryx pansamalana (Standl.) Borhidi
• Arachnothryx pauciflora Borhidi
• Arachnothryx perezii (Standl. ex Steyerm.) Steyerm.
• Arachnothryx peruviana (Standl.) Steyerm.
• Arachnothryx povedae (Lorence) Borhidi
• Arachnothryx purpurea (Lorence) Borhidi
• Arachnothryx pyramidalis (Lundell) Borhidi
• Arachnothryx reflexa (Benth.) Planch.
• Arachnothryx rekoi (Standl.) Borhidi
• Arachnothryx ricoae (Lorence) Borhidi
• Arachnothryx rosea Linden
• Arachnothryx rubens (L.O.Williams) Borhidi
• Arachnothryx rufescens (B.L.Rob.) Borhidi
• Arachnothryx rugulosa (Standl.) Steyerm.
• Arachnothryx rzedowskii (Lorence) Borhidi
• Arachnothryx sanchezii Borhidi & Salas-Mor.
• Arachnothryx scabra (Hemsl.) Borhidi
• Arachnothryx scoti (Lorence) Borhidi
• Arachnothryx secunda (Standl.) Borhidi
• Arachnothryx secundiflora (B.L.Rob.) Borhidi
• Arachnothryx septicidalis (B.L.Rob.) Borhidi
• Arachnothryx sessilis Borhidi & G.Ortiz
• Arachnothryx sinaloae Borhidi
• Arachnothryx skutchii (Standl. & Steyerm.) Borhidi
• Arachnothryx sousae Borhidi
• Arachnothryx spectabilis (Steyerm.) Rova
• Arachnothryx stachyoidea (Donn.Sm.) Borhidi
• Arachnothryx subglabra Borhidi & N.C.Jiménez
• Arachnothryx tacanensis (Lundell) Borhidi
• Arachnothryx tayloriae (Lorence) Borhidi
• Arachnothryx tenorioi (Lorence) Borhidi
• Arachnothryx tenuisepala Borhidi
• Arachnothryx thiemei (Donn.Sm.) Borhidi
• Arachnothryx torresii (Standl.) Borhidi
• Arachnothryx tuxtlensis (Lorence & Cast.-Campos) Borhidi
• Arachnothryx uxpanapensis (Lorence & Cast.-Campos) Borhidi
• Arachnothryx venezuelensis Steyerm.
• Arachnothryx villosa (Hemsl.) Borhidi
• Arachnothryx wendtii (Lorence & Cast.-Campos) Borhidi