Rockia Heimerl, Oesterr. Bot. Z. 63: 289. 1913.

Rossetto, Elson Felipe Sandoli & Caraballo-Ortiz, Marcos A., 2020, Splitting the Pisonia birdcatcher trees: re-establishment of Ceodes and Rockia (Nyctaginaceae, Pisonieae), PhytoKeys 152, pp. 121-136 : 121

publication ID

https://dx.doi.org/10.3897/phytokeys.152.50611

persistent identifier

https://treatment.plazi.org/id/C19ECE5C-24D3-5862-9B2C-4D265FAA9A34

treatment provided by

PhytoKeys by Pensoft

scientific name

Rockia Heimerl, Oesterr. Bot. Z. 63: 289. 1913.
status

 

Rockia Heimerl, Oesterr. Bot. Z. 63: 289. 1913.

Type.

R. sandwicensis (Hillebr.) Heimerl.

Description.

Habit and phyllotaxy. Dioecious trees or shrubs, leaves (sub)opposite or (sub)verticillate clustered at apex of branches.

Inflorescence. Axillary, terminal, arranged in compound cymes.

Flowers. Unisexual (with vestiges of another sex), sessile, with one bract and two bracteoles present at the base, male perianth campanulate, stamens 10-26, exserted (Fig. 2G View Figure 2 ), female perianth tubular or fusiform (Fig. 2H View Figure 2 ), stigma fimbriate, exserted.

Anthocarp . Leathery, elongated fusiform, with 5 ribs covered by inconspicuous glands excreting sticky substances (Figs 2I View Figure 2 , 3F View Figure 3 ).

Pollen. Tricolpate, with 3 apertures distant 120° from each other.

Perisperm . Abundant, gelatinous.