Roupala heterophylla (1827)
Ahepala heterophyla|怀春木属
Roupala heterophylla (1827)
Ten ways of seeing
- measured cast amber
- upright 1.60 : 1
First Look
夫象物必在于形似，形似须全其骨气。
—— 唐·张彦远《历代名画记》
Likeness is the threshold; bone-and-breath is the point.
The sheet is vertical: the eye climbs and settles in the upper half. Let the plant stand before you look for detail. Then step in close: watch where colour meets line, and whether the line ever breaks. Third, find the darkest small patch: the whole tonal order is measured from there.
Name and Thing
The binomial is Roupala heterophylla: the first word is the genus it belongs among, the second the epithet that sets it apart. Two words carry a whole provenance. The Chinese name 怀春木属 is a modern rendering of the Latin, not an old garden name.
Form and Colour
Measured on this plate: flower colour covers 1.3% of the sheet, foliage 9.1%, the cast amber with a second note of yellow-green. No other plate shares exactly this measure. Tropical plants defy temperate habits: heavy, saturated flowers with strong scent, leathery or dissected leaves, stems that climb, swell, or reduce to spines.No colour group is recorded. Read the outline, then the colour layers, then the brush.
Composition
The sheet is tall. No details are appended: a plate for looking, not for keying out. The plant takes about 32% of the sheet, centred a little left of centre — the easy measure most florists kept to.
Line and Colour
The first half of the nineteenth century moved from copper to steel to lithography; stipple could render the softest transition. Craft leaves franker evidence than inscriptions. If you mean to copy it: take its skeleton, its margins and the order of its colours; the burin's hatching is the language of copper — suggest it with pencil density, do not imitate it stroke for stroke.
Poetic Resonance
一骑红尘妃子笑，无人知是荔枝来。
—— 唐·杜牧《過華清宮絕句三首 一》
The poem gives the mood first and the picture supplies the form; set the line beside the plate and the corolla becomes its resting point.
Symbolism
In China these plants carry no classical symbolism; their meaning is newness — new worlds, new species, new trade routes. They show natural history's expanding edge. Meanings change their tune: the same flower can say opposite things within a century.
Season and Place
flowering follows the first rains, so a month on the plate often means 'after the rain'. Central and South America, Southeast Asia, India, Ceylon. Eighteenth- and nineteenth-century artists either sailed with the ships or drew from living specimens under glass. The year 1827 on the plate is that of publication, not of flowering — the gathering came a year or two earlier. See this kind of plate in the flowering season if you can: once you have met the living flower, you stop reading only colour.
The Book and the Hand
“Plantarum Brasiliae icones et descriptiones hactenus ineditae” carries only Johann Baptist Emanuel Pohl's name. A plate is collective work: drawer, engraver and colourist were different hands, and the unnamed ones decided how good it looks.
What to Take Away
Carry three rules away: whole before detail; line before colour; picture before book. A flora exists to be consulted; look long enough and you forget to consult — someone in 1827 gave a whole day to a single flower.
About this plate
Roupala heterophylla (1827) is plate 90, from Plantarum Brasiliae icones et descriptiones hactenus ineditae, drawn by Johann Baptist Emanuel Pohl. This public-domain plate is reproduced at high resolution, free to view and download. Publication: Vienna, Antonii Strauss, 1827.
