Chascanum pumilum E.Mey.

국표에 없다.

Chascanum pumilumis a species of flowering plant in the verbena family. This species is E.Mey. first scientific description in 1838.

Chascanum pumilum - Wikipedia, the free encyclopedia

MorphologyGeneralPerennial herb up to 30 cm high, with a long slender woody taproot; the indumentum of minute or uniformly short, erect or somewhat retrorse, stiff eglandular white hairsMorphologyReproductive morphologyFlowersAndroeciumStamensFilamentsFilaments c. 1.4 mm long in the upper pair of stamens, c. 0.7 mm long in the lower pairMorphologyReproductive morphologyFlowersGynoeciumOvaryOvary c. 9 mm long and 0.5 mm in diameter; style 1–2 cm longEcologyDry deciduous tree savanna with Combretum , Grewia and Acacia spp . in open short grassland, in Kalahari Sand and on pan margins; 900–1200 m.DistributionBotswana District code: BOT S, BOT SE. Also in Namibia and South Africa (North West and Northern Cape Provinces). ZimbabweMorphologyGeneralHabitPerennial herb up to 30 cm high, with a long slender woody taproot; the indumentum of minute or uniformly short, erect or somewhat retrorse, stiff eglandular white hairs.MorphologyStemStems up to 7 mm thick at the base, branched; branches spreading, terete, leafy and again branched giving the plant a bushy habit, the branchlets opposite. Stems up to 7 mm thick at the base, branched; branches spreading, terete, leafy and again branched giving the plant a bushy habit, the branchlets oppositeMorphologyLeavesLeaves petiolate, somewhat fleshy when fresh, rather thick and rigid when dried, grey-green to dark green on both surfaces; lamina 1–3.5 × 0.6–2.2 cm, elliptic to ovate-oblong or subspathulate, rounded to obtuse at the apex, tapering ± abruptly or gradually into the petiole, dentate to serrate-dentate in the upper ½ to 2/3, with 2–4 teeth on each side, entire toward the base, puberulous on both surfaces; midrib somewhat impressed above, prominent beneath; petiole 0.5–2.5 cm long, flatish. Leaves petiolate, somewhat fleshy when fresh, rather thick and rigid when dried, grey-green to dark green on both surfaces; lamina 1–3.5 × 0.6–2.2 cm, elliptic to ovate-oblong or subspathulate,  rounded to obtuse at the apex, tapering ± abruptly or gradually into the petiole, dentate to serrate-dentate in the upper ½ to 2/3, with 2–4 teeth on each side, entire toward the base, puberulous on both surfaces; midrib somewhat impressed above, prominent beneath; petiole 0.5–2.5 cm long, flatishMorphologyReproductive morphologyInflorescencesInflorescences of 1–few-flowered spikes 1–3.5 cm long, terminal on branches and branchlets, and overtopped by lateral branchlets also bearing terminal inflorescences (dichasial-like); peduncle 0 or very short; bracts c. 3 × 1 mm, ovate or lanceolate; bracteoles 1–1.5 mm long, subulate. Inflorescences of 1–few-flowered spikes 1–3.5 cm long, terminal on branches and branchlets, and overtopped by lateral branchlets also bearing terminal inflorescences (dichasial-like); peduncle 0 or very short; bracts c. 3 × 1 mm, ovate or lanceolate; bracteoles 1–1.5 mm long, subulateMorphologyReproductive morphologyFlowersCalyxCalyx 11–14 mm long and c. 1.4 mm in diameter, puberulous outside and minutely hairy inside; teeth c. 0.2 mm long, subulate, subequal; fruiting calyx up to 3 mm in diameter, oblong-ovoid, somewhat gibbous at the base, splitting nearly to the apex, chartaceous when dry. Calyx 11–14 mm long and c. 1.4 mm in diameter, puberulous outside and minutely hairy inside; teeth c. 0.2 mm long, subulate, subequal; fruiting calyx up to 3 mm in diameter, oblong-ovoid, somewhat gibbous at the base, splitting nearly to the apex, chartaceous when dryMorphologyReproductive morphologyFlowersCorollaCorolla white, with a slender tube abruptly expanded into a flat limb; tube 1.4–2.7 cm long and c. 0.7 mm in diameter at the base, up to c. 2.2 mm in diameter above, straight; lobes 2.9–3.5 × 1.7–2 mm, emarginate. Corolla white, with a slender tube abruptly expanded into a flat limb; tube 1.4–2.7 cm long and c. 0.7 mm in diameter at the base, up to c. 2.2 mm in diameter above, straight; lobes 2.9–3.5 × 1.7–2 mm, emarginateMorphologyReproductive morphologyFlowersAndroeciumStamensFilaments c. 1.4 mm long in the upper pair of stamens, c. 0.7 mm long in the lower pair.MorphologyReproductive morphologyFlowersGynoeciumPistilOvary c. 9 mm long and 0.5 mm in diameter; style 1–2 cm long.MorphologyReproductive morphologyFruitsSchizocarp 6–7 mm long and 2–2.5 mm wide, oblong-ovoid, reticulate-alveolate at the apex and around the pit, faintly reticulate-striate at the posterior face; pit 4.5–5.5 × 2.7 mm, deeply excavate, bordered by a prominent-toothed margin; the 2 mericarps not separating when ripe. Schizocarp 6–7 mm long and 2–2.5 mm wide, oblong-ovoid, reticulate-alveolate at the apex and around the pit, faintly reticulate-striate at the posterior face; pit 4.5–5.5 × 2.7 mm, deeply excavate, bordered by a prominent-toothed margin; the 2 mericarps not separating when ripe.

Chascanum pumilum E.Mey. | Plants of the World Online | Kew Science

https://youtu.be/UUitPuHfd5w