Calandrinia

Kunth in A. von Humboldt et al.

in A. von Humboldt et al., Nov. Gen. Sp. 6: 77, plate 526. 1823.

Etymology: For J. L. Calandrini, 1703–1758, Swiss botanist
Treatment appears in FNA Volume 4. Treatment on page 459. Mentioned on page 458, 461.
Revision as of 23:21, 27 May 2020 by imported>Volume Importer

Herbs, annual, not rhizomatous or stoloniferous. Stems prostrate to erect, branched; nodes glabrous. Leaves alternate, not articulate at base, somewhat to markedly clasping, attachment points linear; blade linear to oblanceolate, or ovate to spatulate, flattened, glabrous or with elongate unicellular hairs. Inflorescences racemose, somewhat to markedly secund (at least distally), elongate, bracteate; bracts leaflike. Flowers pedicellate; sepals persistent in fruit, imbricate, green, distinctly angled or keeled, ovate, herbaceous, glabrous or with elongate, unicellular hairs; petals usually 5, red; stamens 3–15, usually opposite petals, not adnate to petals; ovules 6–many; style present; stigmas 3. Capsules 3-valved, longitudinally dehiscent from apex, valves not deciduous, reflexed after dehiscence, margins markedly involute; endocarp and exocarp not separating. Seeds 10–20, black, ± ellipsoid, reticulate or tuberculate viewed at 30×, glabrous, estrophiolate. x = 12.

Distribution

Temperate w Americas, with greater diversity in w South America.

Discussion

Species 14 (2 in the flora).

Key

1 Capsules usually exceeding calyx by 3+ mm; seeds at 30× partially or totally finely tuberculate Calandrinia breweri
1 Capsules usually not exceeding calyx by 3+ mm; seeds at 30× finely reticulate Calandrinia ciliata
... more about "Calandrinia"
Walter A. Kelley +
Kunth in A. von Humboldt et al. +
Temperate w Americas +  and with greater diversity in w South America. +
For J. L. Calandrini, 1703–1758, Swiss botanist +
in A. von Humboldt et al., Nov. Gen. Sp. +
ford1992a +, hershkovitz1993a +, hershkovitz1993b +  and kelley1973a +
Calandrinia +
Portulacaceae +