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This species is accepted, and its native range is Bolivia.

[KBu]

Santamaría-Aguilar, D. & Monro, A.K. (2019). Compendium of Freziera (Pentaphylacaceae) of South America including eleven new species and the typification of 22 names. Kew Bulletin 74: 14. https://doi.org/10.1007/s12225-018-9790-1

Conservation
We document 12 gatherings above. The associated locality data allows us to assess the species under criterion B of the IUCN Red List system. The EOO based on these gatherings is 1470 km2, which is below the threshold of 5000 km2 for Endangered (EN) status. Using the ProtectPlanet layer in GeoCAT (Bachman et al. 2011) we estimate that c. 25% of the EOO falls within the contiguous protected areas, the Madidi National Park and the Ulla Ulla National Fauna Reserve. Madidi National Park experiences no significant net change in forest cover (Forrest et al. 2008) although Forrest et al. do suggest that local changes may be greater near roads, which is where many of the gatherings that we document were made. Whilst we could not find any reports on the Ulla Ulla National Fauna Reserve, its contiguity to Madidi National Park leads us to assume that it is subject to similar rates of deforestation. We used the Global Forest Watch (2014) interactive map to survey deforestation between 2001 and 2015 in the c. 75% of the EOO which occurs outside of protected areas and this suggests that there has been no deforestation. No active threats were identified and so given the restricted range of this species and the fact that c. 75% of the EOO occurs outside of protected areas we reclassify this species as Vulnerable (VU).
Distribution
Freziera alata is endemic to Bolivia and the Department of La Paz.
Ecology
It has been documented in cloud forest, on forested roadsides and rocky slopes between 2800 – 3100 m elevation. This species is relatively common close to Chuspipata on the trail called ‘La Mina’, also in some parts on rocky slopes of the ‘Carretera de la Muerte’. On rocky slopes the plants are smaller (2 – 3 m) and apparently flower at a smaller stature compared to plants growing in forest (pers. obs. D. Santamaría-Aguilar, Dec. 2016).
Morphology Branches
Mature branches terete, solid, bark greyish; leaf-bearing branches conspicuously flattened and winged, glabrous-papillose, lenticels elliptical, whitish
Morphology General Buds
Terminal bud conduplicate-involute, 4 – 7.5 cm, glabrous or minutely strigose, where strigose the hairs ≤ 0.1 mm
Morphology General Habit
Small tree or shrub, to 15 m; bark pale brown to greyish; cambium white-cream
Morphology Leaves
Leaves petiolate, petiole 0.8 – 1.6 (– 2.6) cm long, adaxially grooved, abaxially rounded or more or less triangular in cross-section, glabrous, winged, the wings erect, their margins entire; colleters 1 to several or absent, conical, black; laminae (13.5 –) 17 – 29.6 × (4 –) 4.8 – 6.8 cm, narrowly ovate, drying blackish to pale brown; adaxial surface glabrous; abaxial surface finely papillose, strigose or glabrous, where strigose the hairs c. 0.1 mm, colourless, densely papillose; midrib adaxial surface grooved, rounded in cross-section, very prominent, glabrous, papillose; midrib abaxial surface glabrous; lateral veins 25 – 45 pairs (including minor ones), prominent on both surfaces, higher order veins reticulate and conspicuous on both surfaces; base strongly decurrent, often covering much of the petiole, cuneate, revolute, symmetrical; margin crenate, with 94 – 155 teeth per side, each tooth with a black conical or slightly curved caducous seta, setae not ringed by hairs; apex acuminate, bearing a black seta
Morphology Reproductive morphology Flowers
Pistillate flowers: staminodes 21 or 28 or 29, 3 – 4 mm, free, dorsoventrally flattened, linear, apex acute; gynoecium 3 or 4-locular, c. 8 × 4 mm, conical to ovate, glabrous; style simple; stigma lobes 3 or 4 Flowers unisexual?, 6 – 10 mm diam. in bud; sepals 5, imbricate, unequal; outer sepals 7 – 8 × 6.5 – 8 mm, broad ovate, glabrous on both surfaces, margin entire, not ciliate, apex obtuse; inner sepals 6.5 – 8 (– 9) × 5.5 – 7 mm, glabrous on both surfaces, margin usually entire, occasionally with inconspicuous setae near the base, not ciliate, apex rounded; petals 5, distinct or weakly connate at the base, 8 – 11 × 4.5 – 6 mm, white, cream or white with red blush towards the apex, glabrous, ovate, margin entire, apex obtuse Staminate flowers: stamens 28 – 30, free, unequal, 4.3 – 7.2 mm; filaments 1.8 – 4.2 mm, dorsoventrally flattened, linear; anthers 2.5 – 3.5 mm, not locellate, base cordate, apex apiculate; non-functional? gynoecium 3-locular, 6 – 9 mm long, narrowly conical, glabrous; style simple; stigmatic lobes 3 or 4
Morphology Reproductive morphology Fruits
Fruits 11 – 13 × 8 – 10 mm, ovoid, glabrous, green or black; fruit wall 0.5 – 0.7 mm thick; seeds 150 – 255 per fruit, 1.5 – 1.8 mm long, weakly angular, pale brown, shiny, foveolate.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, solitary or fasciculate, bearing 1 – 4 flowers; pedicel 3 – 8 mm, terete to slightly flattened, usually erect or deflexed, glabrous; bracts at pedicel base persistent, 10 – 20 × 2.5 – 6 mm, lanceolate to narrowly triangular, conspicuously keeled, glabrous on both surfaces, margin entire or with a small black caducous seta, slightly revolute, especially at apex, apex acute, conical, with a black seta at its apex; bracteoles at pedicel apex persistent, 2, opposite or subopposite, unequal, 6 – 12 × 5 – 8 mm, broadly ovate, usually one bracteole conspicuously keeled whilst the other not, glabrous, margin entire, not ciliate; keeled bracteole with a black seta, apex acute; non-keeled bracteole without a black seta, apex obtuse
Note
The epithet, alata, is derived from the Latin adjective, alatus, which means ‘winged’. The epithet was proposed for this taxon by Weitzmann (1987a), presumably to account for the winged leaf-bearing branches. Freziera alata corresponds to taxon ‘F. sp. nov. # 1’ in the Guía de Árboles de Bolivia (Arroyo Padilla 1993). The dimensions of the petiole given here are subjective due to the long-decurrent leaf base which makes it difficult to distinguish between the start of the leaf and the end of the petiole. Freziera alata can be distinguished from other Freziera species by the combination of conspicuously flattened and narrowly winged glabrous leaf-bearing branches and laminae that have glabrous or finely strigose abaxial surfaces with prominent and raised midveins, margins with > 90 teeth on each side, and inflorescences subtended by a long keeled bract and bearing flowers subtended by unequal bracteoles, one of which is keeled, glabrous sepals, white petals, and >20 stamens or staminodes. Other species of Freziera with conspicuously flattened and winged leaf-bearing branches are F. forerorum A. H. Gentry (Panama), F. uniauriculata (Peru and Bolivia) and F. carinata A. L. Weitzman (Ecuador and Venezuela). Freziera alata can be distinguished from these species based on petiole, leaf base, inflorescence bract, petal and fruit size.
Phenology
Material in flower collected December to March, material in fruit collected January to October.
Type
Bolivia, La Paz, 3.8 km W of Chuspipata on road to Unduavi, 16°17'S, 067°50'W, 3150 m, 29 Oct. 1984 (fl. bud, fr.), J. C. Solomon & M. Nee 12590 (holotype MO [MO3328428]; isotypes E [E00296776*, GH [GH00024945], LPB, M [M0112057*] NY [NY00353851]).

Native to:

Bolivia

Freziera alata A.L.Weitzman ex D.Santam. & A.K.Monro appears in other Kew resources:

First published in Kew Bull. 74(1)-14: 4 (2019)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

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Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0