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Malvaciphyllum quenquiadensis
Taxonomy
Malvaciphyllum quenquiadensis was named by Anzótegui and Cristalli (2000) [Botanical affinity: Abutilon grandiflorum, A. pauciflorum, A. umbelliflorum, A. herzogianum, A. fuscicalyx, Bastardiopsis densiflora, Pavonia subrotunda.
Hábito y distribución de la especie actual afín: Myrcianthes cisplatensis (Camb.) Berg., árbol nativo de la región neotropical (Rotman, 1979). En Argentina habita bosques y selvas en el norte del país tanto en el este como en el oeste. (Anzótegui, 2004).
Hábito y distribución de las especies actuales afines: Abutilon grandiflorum (Willd.) Sweet y A. pauciflorum St.-Hil. son arbustos, de amplia distribución en el centro y norte de Argentina; la primera crece en suelos modificados y la segunda en talares próximas a ríos y en las sierras (Krapovickas, 1966).]. It is considered to be a form taxon. Its type specimen is CTES-PB 10046 a and b, a leaf, and it is a compression preserving soft parts. It is the type species of Malvaciphyllum.
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Malvaciphyllum quenquiadensis Anzótegui and Cristalli |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Malvaciphyllum quenquiadensis Anzótegui and Cristalli 2000
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. M. Anzótegui and P. Cristalli 2000 | Leave ovate, apex acuminate, base cordate. Margin lobed to entire; when lobed, in the exmedial area (1/3 from the apex) a notch comprising rounded lobes and sinus is hinted. Margin toothed to crenate. Tooth types malvoid. Petiole normal. Venation actinodromous, basal marginal with 5-7 primary veins, homogeneus. Primary veins straight to slightly curved, ending at a marginal sinus or tooth. The first pair of primary veins, homogeneus. Primary venis straight to slightly curved, ending at a marginal sinus or tooth. The first pair of primary veins emerges with a narrow acute angle, second pair of primary veins emerges with wide acute angle and the third one with right to obtuse angles. The secondary veins emerging with narrow to moderately acute angles, poorly branched and also ending in a tooth or sinus. Tertiary veins are per current. Quaternary veins very thin at right. Areoles quadrangular to pentagonal. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: Middle Miocene or 15.97000 to 11.60800 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | Argentina (Tucumán) | Malvaciphyllum quenquiadensis (137296) | |
| Middle Miocene | Argentina (Catamarca) | Malvaciphyllum quenquiadensis (138962) |