Jaltomata sagasteguii Mione |
Peru |
revised 2023 |
The information on this page may be cited as a communication with professor Thomas Mione, Central Connecticut State University, Biology Department, Copernicus Hall, 1615 Stanley Street, New Britain, Connecticut 06050-4010, United States of America. |
Novon 6: 280-284. 1996 |
Link to Jaltomata homepage | Link to chromosome count |
Link to Jaltomata of Department Cajamarca |
Link to Jaltomata of northern Peru |
Link to local name(s) of J. sagasteguii |
Link to report(s) of fruits of this species being edible |
Figure 1. Hermaphroditic Flower. |
Figure 2. Pistillate Flower (anthers non-functional) from a plant near the plant shown on the left (Mione, Leiva & Yacher 756, photo by T. Mione in Peru). |
Character | Description | Figures on this page |
Habit & Height |
Branching shrub to 1 (-2.5) m | |
Branches, young |
Younger stems somewhat 4- or 5-sided. Hairs of young stems dendritic, rarely forked or of the finger type, to 0.4 mm long. | |
older |
woody stems (brown) terete and hollow. | |
Leaves, size |
Leaves often geminate; 3.2--14 cm long, 1--6.5 cm wide; | |
shape | ovate, the apex sometimes acuminate, margin entire or repand; | |
hairs | adaxially and abaxially tomentulose with interspersed dendritic and finger hairs 0.04--0.22 mm long. | |
petiole | ||
Inflorescence |
to 12-flowered, sometimes branched | |
peduncle |
9.5--28 mm long, longer than attached pedicels; green; straight; ligneous at fruiting | |
pedicel |
pedicels 4.5--7 mm long | |
Calyx at flowering |
green; 5.1--6.5 mm in diameter; lobe radius 2.6 mm; sinus radius 1.2 mm; abaxially tomentose with a dense covering of branched hairs; lobes reflexed | |
at fruit maturity | small: lobe radius to 4.5 mm, sinus radius to 3 mm. | |
Corolla color |
white with two purple ovate maculae straddling the main vein to each corolla lobe; in some collections a purple ring in throat, lacking in other collections | |
shape and size |
short-tubular with a rotate limb; limb 11--14 mm in diameter; tube 4--5 mm long and 4.5--5 mm in diameter | |
lobes/lobules |
limb with 5 corolla lobes alternating with 5 inconspicuous to absent lobules | |
hairs
|
||
Stamen length |
3.2--3.4 mm long, not exserted beyond mouth of corolla tube | |
filaments | having finger hairs along basal 40--50 %, the hairs to 0.5 mm long | |
anther color | ||
anther size | undehisced 1.6--2.0 mm long by 1.3--1.5 mm wide | |
anther mucronate/mucronulate | ||
anthers of a flower open simultaneously? | ||
pollen quantity | 104,500 Mione et al. 654, n = 1 flower | flower collected in Peru (not grown for study), count by Emmett P. Varricchio |
pollen grain size | a) 25--30 µm in diameter, b) 22.5 - 27 µm, mean 24.93 µm |
b) accession 755, 2012 Michael J. Tanasi, 15 grains, flowers collected in Peru and stored in 70% ethanol (not grown for study) |
Stigma |
diameter 0.33--0.6 mm. | |
Style |
length 3.5--5.4 mm, exserting 1--3 mm beyond anthers, some styles angling to side | |
Ovary |
||
Ovules per ovary |
116 Mione et al. 654, n = 1 flower |
flowers collected in Peru (not grown for study), counts by Thomas Mione; I doubled the count from one locule |
Nectar |
||
Herkogamy | ||
Protogyny | ||
Fruit color (at maturity) and size |
5 - 8 mm across, orange | |
Seeds per fruit |
||
Seed Size |
||
Chromosome number |
n = 12 | |
Growability in Connecticut, USA |
grew well in greenhouse at UConn | |
How long does it take from flower to ripe fruit? |
||
Self-Compatible? |
||
Seed Germination |
||
Ratio of pollen to ovules |
901 (104,500 / 116 ovules) | Mione et al. 654, n = 1 flower |
Above: Character | Above: Description of Jaltomata sagasteguii |
Above: Figures on this page |
The specific epithet was chosen to honor the eminent Peruvian botanist Abundio Sagástegui Alva.
Geographic & Altitudinal Distribution: Peru, elevation range to be placed here, flowering June
Department and Province | Locality | elevation m |
habitat | date | collector |
---|---|---|---|---|---|
Dept. Cajamarca, prov. Contumazá | alrededores de Guzmango | 2,700 | ladera | 2 Feb 1981 | A. Sagástegui A. 9651 (NY) |
Dept. Cajamarca, prov. Contumazá | alrededor de Guzmango | 2,500 | borde de acequia | 9 Junio 1990 | TYPE: A. Sagástegui A. 14388 (holotype: F; isotype: grown for study as Mione 536 herbarium) |
Dept. Cajamarca, prov. Contumazá | Arriba del Cementerio de Guzmango | 2,400 | ladera, entre arbustos de Rubus | 7 April 1995 | S. Leiva G. & A. Sagástegui A. 1711 (US) |
Dept. Cajamarca, prov. Contumazá | desvío al Bosque Cachil | 2,500 | borde de carretera | 3 April 1996 | A. Sagástegui A., S. Leiva G. 15451 (US) |
which dept is 7 25 00 S, 78 47 40" west in? My map shows that this would be dept Cajamaraca, but my field notes say La Libertad | 16 June 1999 | Mione, Leiva & Yacher 654 Leiva, Mione & Yacher 2354 |
|||
Cajamarca, prov. Contumazá | near Contumazá | no data | roadside | 16-17 June 1999 | Mione, Leiva & Yacher 657 |
Mione, Leiva & Yacher 755 | |||||
Mione, Leiva & Yacher 756 |
Jaltomata sagasteguii. Style and stigma next to metric ruler such that the vertical white lines are on mm apart. Mione et al. 755. Flower had been stored in 70% ethanol for years prior to photo. Photo my T. Mione. |